{"id":787,"date":"2023-04-11T20:22:01","date_gmt":"2023-04-11T11:22:01","guid":{"rendered":"http:\/\/edu.ujhb.org\/?p=787"},"modified":"2023-04-11T20:22:02","modified_gmt":"2023-04-11T11:22:02","slug":"css%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%ad%e6%96%87%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=787","title":{"rendered":"CSS\u5165\u95e8\uff08\u4e2d\u6587\u7248\uff09"},"content":{"rendered":"\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4eceCSS\u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5173\u4e8eCSS\u6559\u7a0b\u7684\u5927\u7eb2\uff1a<\/p>\n\n\n\n<ol 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u662f\u4ec0\u4e48<\/p>\n\n\n\n<p>CSS\u662f\u5c42\u53e0\u6837\u5f0f\u8868\uff08Cascading Style 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u8bed\u6cd5\u548c\u89c4\u5219\uff0c\u5148\u5217\u51fa\u8bed\u6cd5\u548c\u89c4\u5219\u4e00\u89c8<\/p>\n\n\n\n<p>\u4e0b\u9762\u662fCSS\u8bed\u6cd5\u548c\u89c4\u5219\u7684\u4e00\u89c8\uff1a<\/p>\n\n\n\n<ol 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none;}<\/li>\n\n\n\n<li>\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668\uff1a\u7528\u4e8e\u9009\u62e9\u7d27\u63a5\u5728\u53e6\u4e00\u4e2a\u5143\u7d20\u540e\u9762\u7684\u5143\u7d20\u3002\u793a\u4f8b\uff1ah1 + p {font-weight: bold;}<\/li>\n\n\n\n<li>\u901a\u7528\u9009\u62e9\u5668\uff1a\u7528\u4e8e\u9009\u62e9\u6240\u6709\u5143\u7d20\u3002\u793a\u4f8b\uff1a* {margin: 0; padding: 0;}<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u662f\u5e38\u7528\u7684CSS\u9009\u62e9\u5668\u7c7b\u578b\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u4e0d\u540c\u7684\u9009\u62e9\u5668\u6765\u5e94\u7528\u6837\u5f0f\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u9009\u62e9\u5668\u7ec4\u5408\uff0c\u5c06\u591a\u4e2a\u9009\u62e9\u5668\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u540c\u65f6\u4f5c\u7528\u4e8e\u540c\u4e00\u4e2a\u5143\u7d20\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u6837\u5f0f\u63a7\u5236\u3002\u4f8b\u5982\uff1ah1, h2, h3 {font-weight: bold;}\uff0c\u8868\u793a\u5c06h1\u3001h2\u548ch3\u5143\u7d20\u7684\u5b57\u4f53\u52a0\u7c97\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u8bed\u6cd5\u4e2d\u7684\u5c5e\u6027\u548c\u503c<\/p>\n\n\n\n<p>CSS\u8bed\u6cd5\u4e2d\uff0c\u5c5e\u6027\u548c\u503c\u7528\u4e8e\u6307\u5b9a\u8981\u8bbe\u7f6e\u7684\u6837\u5f0f\u5c5e\u6027\u53ca\u5176\u5c5e\u6027\u503c\u3002\u4e0b\u9762\u5206\u522b\u8be6\u7ec6\u89e3\u91ca\u8fd9\u4e24\u4e2a\u6982\u5ff5\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c5e\u6027<\/li>\n<\/ol>\n\n\n\n<p>CSS\u5c5e\u6027\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236HTML\u5143\u7d20\u6837\u5f0f\u7684\u8bbe\u7f6e\uff0c\u5b83\u51b3\u5b9a\u4e86\u5143\u7d20\u7684\u663e\u793a\u65b9\u5f0f\u3002\u5e38\u89c1\u7684CSS\u5c5e\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u5b57\u989c\u8272\u3002<\/li>\n\n\n\n<li>background-color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u80cc\u666f\u989c\u8272\u3002<\/li>\n\n\n\n<li>font-size\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>font-family\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>margin\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u5916\u8fb9\u8ddd\u3002<\/li>\n\n\n\n<li>padding\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u5185\u8fb9\u8ddd\u3002<\/li>\n\n\n\n<li>border\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u8fb9\u6846\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u5e38\u89c1\u5c5e\u6027\u4e4b\u5916\uff0cCSS\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u5c5e\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u4e0d\u540c\u7684\u5c5e\u6027\u6765\u5b9e\u73b0\u6837\u5f0f\u63a7\u5236\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u503c<\/li>\n<\/ol>\n\n\n\n<p>CSS\u503c\u662f\u5c5e\u6027\u7684\u5177\u4f53\u53d6\u503c\uff0c\u5b83\u51b3\u5b9a\u4e86\u5143\u7d20\u7684\u5177\u4f53\u663e\u793a\u6548\u679c\u3002\u5e38\u89c1\u7684CSS\u5c5e\u6027\u503c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u989c\u8272\u503c\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u5b57\u989c\u8272\u3001\u80cc\u666f\u989c\u8272\u7b49\uff0c\u5e38\u7528\u7684\u989c\u8272\u503c\u6709\u5341\u516d\u8fdb\u5236\u503c\u3001RGB\u503c\u3001\u989c\u8272\u540d\u79f0\u7b49\u3002<\/li>\n\n\n\n<li>\u957f\u5ea6\u503c\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u5927\u5c0f\u3001\u8fb9\u8ddd\u3001\u5185\u5916\u8fb9\u8ddd\u7b49\uff0c\u5e38\u7528\u7684\u957f\u5ea6\u503c\u6709\u50cf\u7d20(px)\u3001\u767e\u5206\u6bd4(%)\u3001em\u7b49\u3002<\/li>\n\n\n\n<li>\u5b57\u4f53\u503c\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7684\u6837\u5f0f\uff0c\u5e38\u7528\u7684\u5b57\u4f53\u503c\u6709\u5b8b\u4f53\u3001Arial\u3001Verdana\u7b49\u3002<\/li>\n\n\n\n<li>\u8fb9\u6846\u503c\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u8fb9\u6846\u6837\u5f0f\uff0c\u5e38\u7528\u7684\u8fb9\u6846\u503c\u6709\u5b9e\u7ebf(solid)\u3001\u865a\u7ebf(dotted)\u3001\u53cc\u7ebf(double)\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u5e38\u89c1\u5c5e\u6027\u503c\u4e4b\u5916\uff0cCSS\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u5c5e\u6027\u503c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u4e0d\u540c\u7684\u5c5e\u6027\u503c\u6765\u5b9e\u73b0\u6837\u5f0f\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cCSS\u8bed\u6cd5\u4e2d\u7684\u5c5e\u6027\u548c\u503c\u662f\u7528\u6765\u63a7\u5236HTML\u5143\u7d20\u7684\u6837\u5f0f\u7684\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u5c5e\u6027\u548c\u503c\u7684\u7ec4\u5408\uff0c\u5b9e\u73b0\u4e30\u5bcc\u591a\u5f69\u7684\u6837\u5f0f\u6548\u679c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u5185\u8054\u6837\u5f0f<\/p>\n\n\n\n<p>CSS\u7684\u5185\u8054\u6837\u5f0f\u662f\u4e00\u79cd\u76f4\u63a5\u5c06\u6837\u5f0f\u5c5e\u6027\u5199\u5728HTML\u6807\u7b7e\u7684style\u5c5e\u6027\u4e2d\u7684\u6837\u5f0f\u8bbe\u7f6e\u65b9\u5f0f\u3002\u5b83\u7684\u8bed\u6cd5\u683c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;tag style=\"property:value;\"&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0ctag\u8868\u793aHTML\u6807\u7b7e\u540d\u79f0\uff0cproperty\u8868\u793aCSS\u5c5e\u6027\u540d\u79f0\uff0cvalue\u8868\u793aCSS\u5c5e\u6027\u503c\u3002\u591a\u4e2a\u5c5e\u6027\u503c\u4e4b\u95f4\u7528\u5206\u53f7\u9694\u5f00\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u4e00\u4e2a\u5185\u8054\u6837\u5f0f\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>&lt;p style=\"color: red; font-size: 16px;\"&gt;\u8fd9\u662f\u4e00\u6bb5\u7ea2\u8272\u5b57\u4f53\uff0c\u5b57\u53f7\u4e3a16px\u7684\u6587\u5b57\u3002&lt;\/p&gt;\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u6bb5\u843d\u6807\u7b7ep\u7684\u6587\u5b57\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272\uff0c\u5b57\u4f53\u5927\u5c0f\u8bbe\u7f6e\u4e3a16\u50cf\u7d20\u3002<\/p>\n\n\n\n<p>\u5185\u8054\u6837\u5f0f\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f5c\u7528\u8303\u56f4\u5c40\u9650\u4e8e\u5f53\u524d\u6807\u7b7e\uff0c\u4e0d\u4f1a\u5f71\u54cd\u540c\u4e00\u6587\u6863\u5185\u5176\u4ed6\u6807\u7b7e\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u5185\u8054\u6837\u5f0f\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e\u5176\u4ed6\u6837\u5f0f\u8bbe\u7f6e\u65b9\u5f0f\uff0c\u5982\u5d4c\u5165\u6837\u5f0f\u8868\u548c\u5916\u90e8\u6837\u5f0f\u8868\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u4e00\u4e2a\u5143\u7d20\u540c\u65f6\u5b58\u5728\u5185\u8054\u6837\u5f0f\u548c\u5d4c\u5165\/\u5916\u90e8\u6837\u5f0f\u8868\u6837\u5f0f\uff0c\u5185\u8054\u6837\u5f0f\u4f1a\u8986\u76d6\u5176\u4ed6\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u5185\u8054\u6837\u5f0f\u5199\u5728HTML\u6807\u7b7e\u4e0a\uff0c\u56e0\u6b64\u4ee3\u7801\u53ef\u8bfb\u6027\u8f83\u5dee\uff0c\u4e14\u5f53\u9700\u8981\u6539\u53d8\u6837\u5f0f\u65f6\uff0c\u9700\u8981\u9010\u4e2a\u4fee\u6539\u6bcf\u4e2a\u6807\u7b7e\u7684style\u5c5e\u6027\uff0c\u5de5\u4f5c\u91cf\u8f83\u5927\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCSS\u7684\u5185\u8054\u6837\u5f0f\u662f\u4e00\u79cd\u76f4\u63a5\u5728HTML\u6807\u7b7e\u4e2d\u8bbe\u7f6e\u6837\u5f0f\u5c5e\u6027\u7684\u65b9\u5f0f\uff0c\u5177\u6709\u5c40\u90e8\u6027\u548c\u9ad8\u4f18\u5148\u7ea7\u7b49\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u4e00\u4e9b\u9700\u8981\u5feb\u901f\u8c03\u6574\u6837\u5f0f\u7684\u573a\u5408\u3002\u4f46\u662f\uff0c\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u4e00\u822c\u5efa\u8bae\u4f7f\u7528\u5d4c\u5165\u6837\u5f0f\u8868\u6216\u5916\u90e8\u6837\u5f0f\u8868\u6765\u7ba1\u7406\u6837\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u5916\u90e8\u6837\u5f0f\u8868<\/p>\n\n\n\n<p>CSS\u7684\u5916\u90e8\u6837\u5f0f\u8868\u662f\u4e00\u79cd\u5c06\u6837\u5f0f\u5c5e\u6027\u96c6\u4e2d\u653e\u5728\u4e00\u4e2a\u5355\u72ec\u7684CSS\u6587\u4ef6\u4e2d\u7684\u6837\u5f0f\u8bbe\u7f6e\u65b9\u5f0f\u3002\u5b83\u7684\u4e3b\u8981\u7279\u70b9\u662f\u80fd\u591f\u5b9e\u73b0\u6837\u5f0f\u7684\u5168\u5c40\u5171\u4eab\u548c\u7edf\u4e00\u7ba1\u7406\uff0c\u4ece\u800c\u63d0\u9ad8\u6837\u5f0f\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n\n\n\n<p>\u5916\u90e8\u6837\u5f0f\u8868\u7684\u4f7f\u7528\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2aCSS\u6587\u4ef6\uff0c\u4f8b\u5982style.css\u3002<\/li>\n\n\n\n<li>\u5728CSS\u6587\u4ef6\u4e2d\u7f16\u5199\u9700\u8981\u8bbe\u7f6e\u7684\u6837\u5f0f\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>h1 {\n  color: red;\n  font-size: 24px;\n}\n\np {\n  color: blue;\n  font-size: 16px;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5728HTML\u6587\u6863\u4e2d\u4f7f\u7528link\u6807\u7b7e\u5c06CSS\u6587\u4ef6\u5f15\u5165\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>&lt;head&gt;\n  &lt;link rel=\"stylesheet\" href=\"style.css\"&gt;\n&lt;\/head&gt;\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684link\u6807\u7b7e\u7528\u4e8e\u6307\u5b9a\u5f15\u5165\u7684\u6837\u5f0f\u8868\u6587\u4ef6\uff0crel\u5c5e\u6027\u8bbe\u7f6e\u4e3astylesheet\uff0chref\u5c5e\u6027\u8bbe\u7f6e\u4e3aCSS\u6587\u4ef6\u7684\u8def\u5f84\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728HTML\u6587\u6863\u4e2d\u4f7f\u7528\u9700\u8981\u5e94\u7528\u6837\u5f0f\u7684\u6807\u7b7e\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>&lt;h1&gt;\u8fd9\u662f\u4e00\u4e2a\u6807\u9898&lt;\/h1&gt;\n&lt;p&gt;\u8fd9\u662f\u4e00\u6bb5\u6587\u5b57&lt;\/p&gt;\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684h1\u548cp\u6807\u7b7e\u4f1a\u81ea\u52a8\u5e94\u7528CSS\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u6837\u5f0f\u3002<\/p>\n\n\n\n<p>\u5916\u90e8\u6837\u5f0f\u8868\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f5c\u7528\u8303\u56f4\u5168\u5c40\uff0c\u53ef\u4ee5\u5728\u540c\u4e00\u6587\u6863\u4e2d\u591a\u6b21\u5f15\u7528\uff0c\u4ece\u800c\u5b9e\u73b0\u6837\u5f0f\u7684\u91cd\u7528\u3002<\/li>\n\n\n\n<li>\u5916\u90e8\u6837\u5f0f\u8868\u7684\u4f18\u5148\u7ea7\u4ecb\u4e8e\u5185\u8054\u6837\u5f0f\u548c\u5d4c\u5165\u6837\u5f0f\u8868\u4e4b\u95f4\u3002\u5f53\u4e0e\u5185\u8054\u6837\u5f0f\u51b2\u7a81\u65f6\uff0c\u5916\u90e8\u6837\u5f0f\u8868\u4f1a\u8986\u76d6\u5185\u8054\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u5916\u90e8\u6837\u5f0f\u8868\u53ef\u4ee5\u65b9\u4fbf\u5730\u4fee\u6539\u548c\u7ba1\u7406\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cCSS\u7684\u5916\u90e8\u6837\u5f0f\u8868\u662f\u4e00\u79cd\u5c06\u6837\u5f0f\u5c5e\u6027\u96c6\u4e2d\u653e\u5728\u5355\u72ec\u6587\u4ef6\u4e2d\u7684\u6837\u5f0f\u8bbe\u7f6e\u65b9\u5f0f\uff0c\u5177\u6709\u5168\u5c40\u6027\u548c\u6613\u4e8e\u7ba1\u7406\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u5927\u578b\u9879\u76ee\u548c\u9700\u8981\u91cd\u590d\u4f7f\u7528\u6837\u5f0f\u7684\u573a\u5408\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u76d2\u6a21\u578b<\/p>\n\n\n\n<p>CSS\u7684\u76d2\u6a21\u578b\u662f\u6307\u5c06HTML\u5143\u7d20\u89c6\u4e3a\u4e00\u4e2a\u77e9\u5f62\u76d2\u5b50\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5143\u7d20\u7684\u5185\u5bb9\u3001\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u56db\u4e2a\u90e8\u5206\uff0c\u8fd9\u4e9b\u90e8\u5206\u6784\u6210\u4e86\u5143\u7d20\u7684\u6574\u4f53\u6846\u67b6\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u6765\u8bf4\uff0cCSS\u7684\u76d2\u6a21\u578b\u7531\u4ee5\u4e0b\u56db\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5185\u5bb9\u533a\uff1a\u5143\u7d20\u7684\u5b9e\u9645\u5185\u5bb9\u90e8\u5206\uff0c\u5305\u62ec\u6587\u672c\u3001\u56fe\u7247\u3001\u89c6\u9891\u7b49\u3002<\/li>\n\n\n\n<li>\u5185\u8fb9\u8ddd\u533a\uff1a\u5185\u5bb9\u533a\u5468\u56f4\u7684\u7a7a\u767d\u533a\u57df\uff0c\u7528\u4e8e\u5206\u9694\u5185\u5bb9\u548c\u8fb9\u6846\u3002\u5185\u8fb9\u8ddd\u7684\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7padding\u5c5e\u6027\u6765\u8bbe\u7f6e\u3002<\/li>\n\n\n\n<li>\u8fb9\u6846\u533a\uff1a\u5185\u8fb9\u8ddd\u533a\u5468\u56f4\u7684\u7ebf\u6761\uff0c\u7528\u4e8e\u5c06\u5143\u7d20\u4e0e\u5468\u56f4\u5143\u7d20\u5206\u9694\u5f00\u3002\u8fb9\u6846\u7684\u5927\u5c0f\u3001\u6837\u5f0f\u548c\u989c\u8272\u53ef\u4ee5\u901a\u8fc7border\u5c5e\u6027\u6765\u8bbe\u7f6e\u3002<\/li>\n\n\n\n<li>\u5916\u8fb9\u8ddd\u533a\uff1a\u8fb9\u6846\u533a\u5468\u56f4\u7684\u7a7a\u767d\u533a\u57df\uff0c\u7528\u4e8e\u8c03\u6574\u5143\u7d20\u4e0e\u5468\u56f4\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u5916\u8fb9\u8ddd\u7684\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7margin\u5c5e\u6027\u6765\u8bbe\u7f6e\u3002<\/li>\n<\/ol>\n\n\n\n<p>CSS\u7684\u76d2\u6a21\u578b\u5bf9\u9875\u9762\u5e03\u5c40\u548c\u6837\u5f0f\u8bbe\u8ba1\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u51b3\u5b9a\u4e86\u5143\u7d20\u7684\u5c3a\u5bf8\u548c\u4f4d\u7f6e\uff0c\u540c\u65f6\u4e5f\u51b3\u5b9a\u4e86\u5143\u7d20\u4e0e\u5468\u56f4\u5143\u7d20\u4e4b\u95f4\u7684\u95f4\u9694\u548c\u5206\u9694\u3002\u5728\u8fdb\u884c\u7f51\u9875\u5e03\u5c40\u548c\u6837\u5f0f\u8bbe\u8ba1\u65f6\uff0c\u9700\u8981\u6839\u636e\u76d2\u6a21\u578b\u6765\u7406\u89e3\u5143\u7d20\u7684\u7ec4\u6210\u548c\u5c5e\u6027\u8bbe\u7f6e\uff0c\u4ece\u800c\u5b9e\u73b0\u6240\u9700\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCSS\u76d2\u6a21\u578b\u6709\u4e24\u79cd\u6a21\u5f0f\uff1a\u6807\u51c6\u6a21\u5f0f\u548c\u602a\u5f02\u6a21\u5f0f\u3002\u5728\u6807\u51c6\u6a21\u5f0f\u4e0b\uff0c\u5143\u7d20\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u4ec5\u5305\u62ec\u5185\u5bb9\u533a\u548c\u5185\u8fb9\u8ddd\u533a\uff0c\u800c\u5728\u602a\u5f02\u6a21\u5f0f\u4e0b\uff0c\u5143\u7d20\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u8fd8\u5305\u62ec\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u533a\u3002\u4e3a\u4e86\u907f\u514d\u51fa\u73b0\u4e0d\u4e00\u81f4\u7684\u5e03\u5c40\u6548\u679c\uff0c\u5efa\u8bae\u5728\u7f16\u5199CSS\u65f6\u660e\u786e\u6307\u5b9a\u76d2\u6a21\u578b\u7684\u6a21\u5f0f\uff0c\u4f7f\u7528\u6807\u51c6\u6a21\u5f0f\u66f4\u4e3a\u5e38\u89c1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u6d41\u5f0f\u5e03\u5c40<\/p>\n\n\n\n<p>CSS\u7684\u6d41\u5f0f\u5e03\u5c40\uff08Fluid Layout\uff09\u662f\u4e00\u79cd\u6839\u636e\u5c4f\u5e55\u5bbd\u5ea6\u81ea\u52a8\u8c03\u6574\u5e03\u5c40\u7684\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7f51\u9875\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u548c\u5c4f\u5e55\u4e0a\u5448\u73b0\u51fa\u66f4\u597d\u7684\u89c6\u89c9\u6548\u679c\uff0c\u9002\u5e94\u4e0d\u540c\u7684\u5206\u8fa8\u7387\u548c\u5c4f\u5e55\u5c3a\u5bf8\u3002<\/p>\n\n\n\n<p>\u6d41\u5f0f\u5e03\u5c40\u7684\u539f\u7406\u662f\u901a\u8fc7\u767e\u5206\u6bd4\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c\u4f7f\u5b83\u4eec\u76f8\u5bf9\u4e8e\u5176\u5bb9\u5668\u5bbd\u5ea6\u81ea\u9002\u5e94\u7f29\u653e\u3002\u6bd4\u5982\uff0c\u5982\u679c\u6211\u4eec\u5c06\u4e00\u4e2a\u5143\u7d20\u7684\u5bbd\u5ea6\u8bbe\u7f6e\u4e3a50%\uff0c\u90a3\u4e48\u65e0\u8bba\u5bb9\u5668\u7684\u5bbd\u5ea6\u662f\u591a\u5c11\uff0c\u8fd9\u4e2a\u5143\u7d20\u7684\u5bbd\u5ea6\u90fd\u4f1a\u76f8\u5bf9\u4e8e\u5bb9\u5668\u7684\u5bbd\u5ea6\u4fdd\u630150%\u4e0d\u53d8\u3002<\/p>\n\n\n\n<p>\u6d41\u5f0f\u5e03\u5c40\u53ef\u4ee5\u4f7f\u7f51\u9875\u5143\u7d20\u81ea\u9002\u5e94\u5c4f\u5e55\u5bbd\u5ea6\uff0c\u63d0\u9ad8\u7f51\u9875\u7684\u517c\u5bb9\u6027\u548c\u53ef\u8bbf\u95ee\u6027\u3002\u4f46\u662f\uff0c\u6d41\u5f0f\u5e03\u5c40\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u6bd4\u5982\u5143\u7d20\u7684\u5c3a\u5bf8\u548c\u95f4\u8ddd\u4e0d\u6613\u63a7\u5236\uff0c\u5bb9\u6613\u51fa\u73b0\u5e03\u5c40\u5931\u63a7\u7684\u60c5\u51b5\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528CSS\u5a92\u4f53\u67e5\u8be2\u6765\u9488\u5bf9\u4e0d\u540c\u7684\u5c4f\u5e55\u5c3a\u5bf8\u8bbe\u7f6e\u4e0d\u540c\u7684\u6837\u5f0f\uff0c\u6216\u8005\u91c7\u7528\u6df7\u5408\u5e03\u5c40\u7684\u65b9\u5f0f\uff0c\u7ed3\u5408\u6d41\u5f0f\u5e03\u5c40\u548c\u56fa\u5b9a\u5e03\u5c40\u7684\u4f18\u70b9\uff0c\u8fbe\u5230\u66f4\u597d\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6d41\u5f0f\u5e03\u5c40\u9700\u8981\u7ed3\u5408\u5177\u4f53\u7684\u7f51\u9875\u8bbe\u8ba1\u548c\u6837\u5f0f\u9700\u6c42\u6765\u4f7f\u7528\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u9700\u8981\u7cbe\u786e\u63a7\u5236\u5e03\u5c40\u7684\u60c5\u51b5\uff0c\u56fa\u5b9a\u5e03\u5c40\u53ef\u80fd\u66f4\u4e3a\u9002\u7528\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5f39\u6027\u5e03\u5c40<\/p>\n\n\n\n<p>CSS\u7684\u5f39\u6027\u5e03\u5c40\uff08Flexible Box Layout\uff0c\u4e5f\u79f0\u4e3aFlexbox\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u8bbe\u8ba1Web\u9875\u9762\u5e03\u5c40\u7684\u65b0\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u8ba9\u9875\u9762\u4e0a\u7684\u5143\u7d20\u6839\u636e\u53ef\u7528\u7a7a\u95f4\u81ea\u52a8\u8c03\u6574\u4f4d\u7f6e\u548c\u5927\u5c0f\uff0c\u4ece\u800c\u5b9e\u73b0\u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff0c\u9002\u5e94\u4e0d\u540c\u5c4f\u5e55\u5c3a\u5bf8\u548c\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>Flexbox\u7684\u8bbe\u8ba1\u7406\u5ff5\u662f\u5c06\u5bb9\u5668\u5212\u5206\u4e3a\u4e00\u884c\u6216\u4e00\u5217\u7684\u5f39\u6027\u5b50\u5bb9\u5668\uff0c\u7136\u540e\u901a\u8fc7\u8c03\u6574\u5b50\u5bb9\u5668\u7684\u5927\u5c0f\u548c\u4f4d\u7f6e\u6765\u5b9e\u73b0\u7075\u6d3b\u7684\u5e03\u5c40\u3002Flexbox\u7684\u6838\u5fc3\u6982\u5ff5\u662fFlex\u5bb9\u5668\u548cFlex\u9879\u76ee\u3002<\/p>\n\n\n\n<p>Flex\u5bb9\u5668\u662f\u4e00\u4e2a\u5305\u542bFlex\u9879\u76ee\u7684\u5bb9\u5668\uff0c\u5b83\u901a\u8fc7\u8bbe\u7f6edisplay\u5c5e\u6027\u4e3aflex\u6216inline-flex\u6765\u5b9a\u4e49\u3002Flex\u5bb9\u5668\u5177\u6709\u4f38\u7f29\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eflex-direction\u3001justify-content\u3001align-items\u548calign-content\u7b49\u5c5e\u6027\u6765\u63a7\u5236Flex\u9879\u76ee\u7684\u6392\u5217\u548c\u5bf9\u9f50\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>Flex\u9879\u76ee\u662fFlex\u5bb9\u5668\u4e2d\u7684\u5b50\u5143\u7d20\uff0c\u5b83\u4eec\u88ab\u6392\u5217\u5728Flex\u5bb9\u5668\u5185\u90e8\uff0c\u5e76\u4e14\u5177\u6709\u4f38\u7f29\u6027\u3002Flex\u9879\u76ee\u7684\u5927\u5c0f\u548c\u4f4d\u7f6e\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eflex\u5c5e\u6027\u3001flex-grow\u3001flex-shrink\u548cflex-basis\u7b49\u5c5e\u6027\u6765\u63a7\u5236\u3002<\/p>\n\n\n\n<p>Flexbox\u7684\u4f18\u70b9\u5728\u4e8e\u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u590d\u6742\u7684\u5e03\u5c40\uff0c\u800c\u4e14\u4e0d\u9700\u8981\u4f7f\u7528\u590d\u6742\u7684\u6d6e\u52a8\u3001\u5b9a\u4f4d\u548c\u6e05\u9664\u6280\u5de7\u3002\u540c\u65f6\uff0cFlexbox\u4e5f\u652f\u6301\u5728\u591a\u4e2a\u7ef4\u5ea6\u4e0a\u8fdb\u884c\u5bf9\u9f50\u548c\u5206\u5e03\uff0c\u80fd\u591f\u89e3\u51b3\u5f88\u591a\u4f20\u7edf\u5e03\u5c40\u6280\u672f\u65e0\u6cd5\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cFlexbox\u662f\u4e00\u79cd\u65b0\u7684\u5e03\u5c40\u6280\u672f\uff0c\u76ee\u524d\u8fd8\u4e0d\u662f\u6240\u6709\u7684\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u3002\u5728\u4f7f\u7528Flexbox\u65f6\uff0c\u5efa\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e4b\u524d\u8fdb\u884c\u5145\u5206\u6d4b\u8bd5\uff0c\u4ee5\u786e\u4fdd\u5176\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u7f51\u683c\u5e03\u5c40<\/p>\n\n\n\n<p>CSS\u7684\u7f51\u683c\u5e03\u5c40\uff08Grid Layout\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u521b\u5efaWeb\u9875\u9762\u5e03\u5c40\u7684\u65b0\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u7f51\u9875\u8bbe\u8ba1\u5e08\u66f4\u52a0\u7075\u6d3b\u5730\u63a7\u5236\u7f51\u9875\u5e03\u5c40\u548c\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u3002\u7f51\u683c\u5e03\u5c40\u5c06\u9875\u9762\u5212\u5206\u4e3a\u7f51\u683c\uff0c\u901a\u8fc7\u8bbe\u7f6e\u7f51\u683c\u7684\u884c\u548c\u5217\u6765\u63a7\u5236\u5143\u7d20\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u3002<\/p>\n\n\n\n<p>\u7f51\u683c\u5e03\u5c40\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u7f51\u683c\u5bb9\u5668\u3001\u7f51\u683c\u884c\u3001\u7f51\u683c\u5217\u548c\u7f51\u683c\u5355\u5143\u683c\u3002\u7f51\u683c\u5bb9\u5668\u662f\u4e00\u4e2a\u5305\u542b\u7f51\u683c\u5355\u5143\u683c\u7684\u5bb9\u5668\uff0c\u5b83\u901a\u8fc7\u8bbe\u7f6edisplay\u5c5e\u6027\u4e3agrid\u6765\u5b9a\u4e49\u3002\u7f51\u683c\u884c\u548c\u7f51\u683c\u5217\u662f\u7f51\u683c\u5bb9\u5668\u4e2d\u7684\u6c34\u5e73\u548c\u5782\u76f4\u7ebf\u6761\uff0c\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6egrid-template-rows\u548cgrid-template-columns\u5c5e\u6027\u6765\u5b9a\u4e49\u3002\u7f51\u683c\u5355\u5143\u683c\u662f\u7f51\u683c\u884c\u548c\u7f51\u683c\u5217\u7684\u4ea4\u53c9\u70b9\uff0c\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6egrid-row\u548cgrid-column\u5c5e\u6027\u6765\u5b9a\u4f4d\u548c\u63a7\u5236\u5927\u5c0f\u3002<\/p>\n\n\n\n<p>\u7f51\u683c\u5e03\u5c40\u7684\u4f18\u70b9\u5728\u4e8e\u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u590d\u6742\u7684\u5e03\u5c40\uff0c\u800c\u4e14\u5177\u6709\u975e\u5e38\u9ad8\u7684\u7075\u6d3b\u6027\u3002\u7f51\u683c\u5e03\u5c40\u8fd8\u652f\u6301\u81ea\u9002\u5e94\u7684\u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u5c4f\u5e55\u5c3a\u5bf8\u548c\u8bbe\u5907\u52a8\u6001\u8c03\u6574\u5e03\u5c40\u3002\u7f51\u683c\u5e03\u5c40\u4e5f\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5e03\u5c40\u6280\u672f\uff08\u5982Flexbox\u548c\u4f20\u7edf\u7684\u5b9a\u4f4d\u548c\u6d6e\u52a8\u6280\u672f\uff09\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u4e3a\u7075\u6d3b\u548c\u590d\u6742\u7684\u5e03\u5c40\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7f51\u683c\u5e03\u5c40\u662f\u4e00\u79cd\u65b0\u7684\u5e03\u5c40\u6280\u672f\uff0c\u76ee\u524d\u8fd8\u4e0d\u662f\u6240\u6709\u7684\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u3002\u5728\u4f7f\u7528\u7f51\u683c\u5e03\u5c40\u65f6\uff0c\u5efa\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e4b\u524d\u8fdb\u884c\u5145\u5206\u6d4b\u8bd5\uff0c\u4ee5\u786e\u4fdd\u5176\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ed9\u51faCSS\u7684\u76d2\u6a21\u578b\u5177\u4f53\u5b9e\u73b0\u7684\u4f8b\u5b50<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528CSS\u7684\u76d2\u6a21\u578b\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5bbd\u5ea6\u3001\u8fb9\u6846\u548c\u5185\u8fb9\u8ddd\uff1a<\/p>\n\n\n\n<p>HTML\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"box\"&gt;Hello World&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.box {\n  width: 200px;\n  border: 1px solid black;\n  padding: 20px;\n}\n<\/code><\/pre>\n\n\n\n<p>\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>\u4e0a\u8ff0CSS\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.box<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2dHTML\u4e2d\u7684<code>&lt;div&gt;<\/code>\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u4e86\u5176\u5bbd\u5ea6\u4e3a200px\uff0c\u8fb9\u6846\u4e3a1px\u7684\u9ed1\u8272\u5b9e\u7ebf\u8fb9\u6846\uff0c\u5185\u8fb9\u8ddd\u4e3a20px\u3002\u8fd9\u6837\uff0c\u5f53\u9875\u9762\u52a0\u8f7d\u65f6\uff0c\u8be5<code>&lt;div&gt;<\/code>\u5143\u7d20\u7684\u5b9e\u9645\u5bbd\u5ea6\u5c06\u4f1a\u662f<code>200px + 2px + 20px + 2px = 225px<\/code>\uff0c\u5176\u4e2d2px\u5206\u522b\u662f\u8fb9\u6846\u7684\u5de6\u53f3\u4e24\u4fa7\u7684\u5bbd\u5ea6\u3002\u5728\u8be5<code>&lt;div&gt;<\/code>\u5143\u7d20\u5185\u90e8\uff0c\u6587\u5b57\u5185\u5bb9\u7684\u5de6\u53f3\u4e24\u4fa7\u5c06\u4e0e\u8fb9\u6846\u4e4b\u95f4\u7559\u51fa20px\u7684\u7a7a\u767d\u533a\u57df\uff0c\u8fd9\u662f\u7531\u5185\u8fb9\u8ddd\u6240\u5b9a\u4e49\u7684\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCSS\u7684\u76d2\u6a21\u578b\u5b58\u5728\u4e24\u79cd\u4e0d\u540c\u7684\u6a21\u5f0f\uff1a\u6807\u51c6\u6a21\u5f0f\u548c\u602a\u5f02\u6a21\u5f0f\u3002\u5728\u6807\u51c6\u6a21\u5f0f\u4e0b\uff0c\u5143\u7d20\u7684\u5b9e\u9645\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u4e0d\u5305\u62ec\u8fb9\u6846\u548c\u5185\u8fb9\u8ddd\uff0c\u800c\u5728\u602a\u5f02\u6a21\u5f0f\u4e0b\uff0c\u5143\u7d20\u7684\u5b9e\u9645\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u5305\u62ec\u8fb9\u6846\u548c\u5185\u8fb9\u8ddd\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u9875\u9762\u7684\u5b9e\u9645\u9700\u6c42\u548c\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u6027\u6765\u9009\u62e9\u4f7f\u7528\u54ea\u79cd\u6a21\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ed9\u51fa\u4ecb\u7ecdCSS\u7684\u6d41\u5f0f\u5e03\u5c40\u7684\u5177\u4f53\u4f8b\u5b50<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528CSS\u7684\u6d41\u5f0f\u5e03\u5c40\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5bbd\u5ea6\uff0c\u4f7f\u5176\u80fd\u591f\u81ea\u9002\u5e94\u6d4f\u89c8\u5668\u7a97\u53e3\u5927\u5c0f\u7684\u53d8\u5316\uff1a<\/p>\n\n\n\n<p>HTML\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"container\"&gt;\n  &lt;div class=\"box\"&gt;Box 1&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 2&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 3&lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.container {\n  width: 100%;\n  max-width: 800px;\n  margin: 0 auto;\n}\n\n.box {\n  width: 30%;\n  margin: 0 1.66%;\n  float: left;\n}\n<\/code><\/pre>\n\n\n\n<p>\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>\u4e0a\u8ff0CSS\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.container<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2dHTML\u4e2d\u7684\u5305\u542b\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5176\u5bbd\u5ea6\u4e3a100%\uff0c\u6700\u5927\u5bbd\u5ea6\u4e3a800px\uff0c\u5e76\u4e14\u6c34\u5e73\u5c45\u4e2d\u3002\u8fd9\u6837\uff0c\u5f53\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5bbd\u5ea6\u5c0f\u4e8e800px\u65f6\uff0c<code>.container<\/code>\u5143\u7d20\u7684\u5bbd\u5ea6\u5c06\u4f1a\u81ea\u52a8\u7f29\u5c0f\uff0c\u4ee5\u9002\u5e94\u7a97\u53e3\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<p>\u5728\u8be5<code>.container<\/code>\u5143\u7d20\u5185\u90e8\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.box<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2d\u4e09\u4e2a\u5b50\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5b83\u4eec\u7684\u5bbd\u5ea6\u4e3a30%\uff0c\u4ee5\u53ca\u5de6\u53f3\u5916\u8fb9\u8ddd\u4e3a1.66%\u3002\u7531\u4e8e\u4e09\u4e2a\u5b50\u5143\u7d20\u7684\u603b\u5bbd\u5ea6\u4e3a30% + 30% + 30% + 3 * 1.66% = 100%\uff0c\u56e0\u6b64\u5b83\u4eec\u4f1a\u5747\u5300\u5730\u5206\u5e03\u5728<code>.container<\/code>\u5143\u7d20\u7684\u5bbd\u5ea6\u5185\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u6d41\u5f0f\u5e03\u5c40\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u9875\u9762\u4e2d\u7684\u5143\u7d20\u5177\u6709\u66f4\u597d\u7684\u81ea\u9002\u5e94\u6027\uff0c\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u5927\u5c0f\u548c\u5206\u8fa8\u7387\u7684\u8bbe\u5907\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ed9\u51faCSS\u7684\u5f39\u6027\u5e03\u5c40\u7684\u4f8b\u5b50<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528CSS\u7684\u5f39\u6027\u5e03\u5c40\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u6392\u5217\u65b9\u5f0f\uff0c\u4f7f\u5176\u80fd\u591f\u5728\u4e0d\u540c\u8bbe\u5907\u4e0a\u5177\u6709\u66f4\u597d\u7684\u9002\u5e94\u6027\uff1a<\/p>\n\n\n\n<p>HTML\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"container\"&gt;\n  &lt;div class=\"box\"&gt;Box 1&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 2&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 3&lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.container {\n  display: flex;\n  justify-content: space-between;\n}\n\n.box {\n  flex: 1;\n  margin: 0 10px;\n}\n<\/code><\/pre>\n\n\n\n<p>\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>\u4e0a\u8ff0CSS\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.container<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2dHTML\u4e2d\u7684\u5305\u542b\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5176<code>display<\/code>\u5c5e\u6027\u4e3a<code>flex<\/code>\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f7f\u7528\u5f39\u6027\u5e03\u5c40\u4e86\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86<code>justify-content<\/code>\u5c5e\u6027\u6765\u8bbe\u7f6e\u5b50\u5143\u7d20\u7684\u6c34\u5e73\u6392\u5217\u65b9\u5f0f\u4e3a\u201c\u5728\u7236\u5143\u7d20\u5185\u5747\u5300\u5206\u5e03\u201d\uff0c\u5373\u5b50\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\u76f8\u7b49\u3002<\/p>\n\n\n\n<p>\u5728\u8be5<code>.container<\/code>\u5143\u7d20\u5185\u90e8\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.box<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2d\u4e09\u4e2a\u5b50\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5b83\u4eec\u7684<code>flex<\/code>\u5c5e\u6027\u4e3a1\uff0c\u8fd9\u6837\u5b83\u4eec\u5c06\u4f1a\u5747\u5206<code>.container<\/code>\u5143\u7d20\u7684\u5bbd\u5ea6\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u8bbe\u7f6e\u4e86\u5b50\u5143\u7d20\u7684\u5de6\u53f3\u5916\u8fb9\u8ddd\u4e3a10px\uff0c\u4ee5\u4fbf\u5728\u4e0d\u540c\u8bbe\u5907\u4e0a\u5177\u6709\u66f4\u597d\u7684\u6392\u5217\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u5f39\u6027\u5e03\u5c40\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u590d\u6742\u7684\u5e03\u5c40\u65b9\u5f0f\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u8c03\u6574\u5143\u7d20\u7684\u4f4d\u7f6e\u548c\u5c3a\u5bf8\uff0c\u4f7f\u9875\u9762\u5177\u6709\u66f4\u597d\u7684\u9002\u5e94\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ed9\u51faCSS\u7684\u7f51\u683c\u5e03\u5c40\u7684\u4f8b\u5b50<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528CSS\u7684\u7f51\u683c\u5e03\u5c40\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u6392\u5217\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p>HTML\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"container\"&gt;\n  &lt;div class=\"box\"&gt;Box 1&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 2&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 3&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 4&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 5&lt;\/div&gt;\n  &lt;div class=\"box\"&gt;Box 6&lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.container {\n  display: grid;\n  grid-template-columns: repeat(3, 1fr);\n  grid-template-rows: repeat(2, 1fr);\n  grid-gap: 10px;\n}\n\n.box {\n  background-color: #eee;\n  padding: 10px;\n}\n<\/code><\/pre>\n\n\n\n<p>\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>\u4e0a\u8ff0CSS\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.container<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2dHTML\u4e2d\u7684\u5305\u542b\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5176<code>display<\/code>\u5c5e\u6027\u4e3a<code>grid<\/code>\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f7f\u7528\u7f51\u683c\u5e03\u5c40\u4e86\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86<code>grid-template-columns<\/code>\u548c<code>grid-template-rows<\/code>\u5c5e\u6027\u6765\u8bbe\u7f6e\u7f51\u683c\u7684\u5217\u6570\u548c\u884c\u6570\uff0c\u4ee5\u53ca\u6bcf\u5217\u548c\u6bcf\u884c\u7684\u5927\u5c0f\u3002\u5728\u8be5\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8bbe\u7f6e\u4e863\u5217\u30012\u884c\uff0c\u6bcf\u5217\u548c\u6bcf\u884c\u7684\u5927\u5c0f\u5747\u4e3a1fr\uff0c\u5373\u6bcf\u5217\u548c\u6bcf\u884c\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u4f1a\u81ea\u52a8\u6839\u636e\u5bb9\u5668\u5927\u5c0f\u6765\u8c03\u6574\u3002\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86<code>grid-gap<\/code>\u5c5e\u6027\u6765\u8bbe\u7f6e\u7f51\u683c\u4e4b\u95f4\u7684\u95f4\u9694\u4e3a10px\u3002<\/p>\n\n\n\n<p>\u5728<code>.container<\/code>\u5143\u7d20\u5185\u90e8\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>.box<\/code>\u9009\u62e9\u5668\u6765\u9009\u4e2d6\u4e2a\u5b50\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u5b83\u4eec\u7684\u80cc\u666f\u989c\u8272\u4e3a#eee\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u663e\u793a\u7f51\u683c\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u8bbe\u7f6e\u4e86\u5b50\u5143\u7d20\u7684\u5185\u8fb9\u8ddd\u4e3a10px\uff0c\u4ee5\u4fbf\u5728\u4e0d\u540c\u8bbe\u5907\u4e0a\u5177\u6709\u66f4\u597d\u7684\u6392\u5217\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u7f51\u683c\u5e03\u5c40\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u590d\u6742\u7684\u5e03\u5c40\u65b9\u5f0f\uff0c\u4f8b\u5982\u4e0d\u540c\u5927\u5c0f\u7684\u7f51\u683c\u3001\u8de8\u884c\u548c\u8de8\u5217\u7684\u5143\u7d20\u7b49\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u52a8\u753b\u548c\u8fc7\u6e21<\/p>\n\n\n\n<p>CSS\u52a8\u753b\u548c\u8fc7\u6e21\u662f\u5728Web\u5f00\u53d1\u4e2d\u5b9e\u73b0\u52a8\u6001\u6548\u679c\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u4eec\u53ef\u4ee5\u8ba9\u7f51\u9875\u7684\u5143\u7d20\u5728\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\u65f6\u5b9e\u73b0\u5e73\u6ed1\u7684\u8fc7\u6e21\u6548\u679c\u6216\u8005\u5177\u6709\u52a8\u6001\u7684\u52a8\u753b\u6548\u679c\uff0c\u4ece\u800c\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CSS\u8fc7\u6e21<\/h2>\n\n\n\n<p>CSS\u8fc7\u6e21\uff08Transition\uff09\u662f\u4e00\u79cd\u4ece\u4e00\u4e2aCSS\u72b6\u6001\u5230\u53e6\u4e00\u4e2aCSS\u72b6\u6001\u7684\u5e73\u6ed1\u8f6c\u6362\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u4f7f\u7528JavaScript\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u4e00\u4e9b\u7b80\u5355\u7684\u52a8\u753b\u6548\u679c\u3002\u5728CSS\u8fc7\u6e21\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e9bCSS\u5c5e\u6027\uff0c\u4ee5\u53ca\u8fc7\u6e21\u7684\u65f6\u95f4\u548c\u8fc7\u6e21\u7684\u51fd\u6570\u7c7b\u578b\uff08\u5982\u7ebf\u6027\u3001ease-in\u3001ease-out\u7b49\uff09\uff0c\u5728\u5143\u7d20\u4ece\u4e00\u4e2a\u72b6\u6001\u5230\u53e6\u4e00\u4e2a\u72b6\u6001\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8fd9\u4e9b\u5c5e\u6027\u5c06\u53d1\u751f\u5e73\u6ed1\u7684\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528CSS\u8fc7\u6e21\u5b9e\u73b0\u9f20\u6807\u60ac\u505c\u6548\u679c\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"box\"&gt;&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.box {\n  width: 100px;\n  height: 100px;\n  background-color: blue;\n  transition: background-color 0.5s ease-in-out;\n}\n\n.box:hover {\n  background-color: red;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>.box<\/code>\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u4e86\u5b83\u7684\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u3002\u6211\u4eec\u8fd8\u5728\u8be5\u5143\u7d20\u4e0a\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8fc7\u6e21\u6548\u679c\uff0c\u5373\u5f53\u9f20\u6807\u60ac\u505c\u5728\u8be5\u5143\u7d20\u4e0a\u65f6\uff0c\u80cc\u666f\u989c\u8272\u5c06\u57280.5\u79d2\u5185\u5e73\u6ed1\u5730\u8fc7\u6e21\u5230\u7ea2\u8272\u3002\u8fd9\u662f\u901a\u8fc7\u5728<code>.box<\/code>\u9009\u62e9\u5668\u4e2d\u4f7f\u7528<code>transition<\/code>\u5c5e\u6027\u5b9e\u73b0\u7684\u3002\u5f53\u9f20\u6807\u60ac\u505c\u5728<code>.box<\/code>\u5143\u7d20\u4e0a\u65f6\uff0c\u6211\u4eec\u5c06\u8be5\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u6539\u4e3a\u7ea2\u8272\uff0c\u8fd9\u662f\u901a\u8fc7\u4f7f\u7528<code>.box:hover<\/code>\u9009\u62e9\u5668\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CSS\u52a8\u753b<\/h2>\n\n\n\n<p>CSS\u52a8\u753b\uff08Animation\uff09\u662f\u4e00\u79cd\u8ba9\u5143\u7d20\u5728\u4e0d\u540c\u7684CSS\u72b6\u6001\u4e4b\u95f4\u5faa\u73af\u64ad\u653e\u7684\u6548\u679c\u3002\u5728CSS\u52a8\u753b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u5173\u952e\u5e27\uff08Keyframes\uff09\uff0c\u5e76\u5728\u8fd9\u4e9b\u5173\u952e\u5e27\u4e2d\u6307\u5b9a\u5143\u7d20\u5728\u4e0d\u540c\u65f6\u95f4\u70b9\u7684\u4e0d\u540c\u72b6\u6001\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u52a8\u753b\u7684\u6301\u7eed\u65f6\u95f4\u3001\u52a8\u753b\u7684\u901f\u5ea6\u66f2\u7ebf\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528CSS\u52a8\u753b\u5b9e\u73b0\u4e00\u4e2a\u65cb\u8f6c\u6548\u679c\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"box\"&gt;&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.box {\n  width: 100px;\n  height: 100px;\n  background-color: blue;\n  animation: rotate 2s linear infinite;\n}\n\n@keyframes rotate {\n  0% {\n    transform: rotate(0deg);\n  }\n  100% {\n    transform: rotate(360deg);\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>.box<\/code>\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u4e86\u5b83\u7684\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u3002\u6211\u4eec\u8fd8\u5728\u8be5\u5143\u7d20\u4e0a\u5b9a\u4e49\u4e86\u4e00\u4e2a\u52a8\u753b\u6548\u679c\uff0c\u5373\u4f7f\u8be5\u5143\u7d20\u57282\u79d2\u5185\u6cbf\u7740Y\u8f74\u65cb\u8f6c360\u5ea6\u3002\u8fd9\u662f\u901a\u8fc7\u5728<code>.box<\/code>\u9009\u62e9\u5668\u4e2d\u4f7f\u7528<code>animation<\/code>\u5c5e\u6027\u5b9e\u73b0\u7684\u3002\u5728<code>animation<\/code>\u5c5e\u6027\u4e2d\uff0c\u6211\u4eec\u6307\u5b9a\u4e86\u52a8<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u9884\u5904\u7406\u5668SCSS<\/p>\n\n\n\n<p>SCSS\uff08Sassy CSS\uff09\u662f CSS \u7684\u4e00\u79cd\u9884\u5904\u7406\u5668\uff0c\u5b83\u662f Sass\uff08Syntactically Awesome Style Sheets\uff09\u7684\u4e00\u79cd\u8bed\u6cd5\u6269\u5c55\u3002<\/p>\n\n\n\n<p>SCSS \u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7b80\u6d01\uff1aSCSS \u8bed\u6cd5\u6bd4 CSS \u66f4\u52a0\u7b80\u6d01\u6613\u8bfb\uff0c\u4f7f\u5f97\u7f16\u5199\u6837\u5f0f\u66f4\u52a0\u5feb\u901f\u548c\u4fbf\u6377\u3002<\/li>\n\n\n\n<li>\u53ef\u590d\u7528\u6027\uff1aSCSS \u5141\u8bb8\u60a8\u5728\u591a\u4e2a\u6837\u5f0f\u89c4\u5219\u4e2d\u5171\u4eab\u53d8\u91cf\u548c\u6df7\u5408\uff08mixins\uff09\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u6837\u5f0f\u8868\u7684\u4ee3\u7801\u91cf\u3002<\/li>\n\n\n\n<li>\u7ee7\u627f\u6027\uff1aSCSS \u652f\u6301\u6837\u5f0f\u7684\u7ee7\u627f\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u7ba1\u7406\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u7ba1\u7406\u6027\uff1aSCSS \u5141\u8bb8\u60a8\u5c06\u6837\u5f0f\u89c4\u5219\u5206\u6210\u591a\u4e2a\u6587\u4ef6\uff0c\u4f7f\u5f97\u7ef4\u62a4\u548c\u7ba1\u7406\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f SCSS \u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u6027\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53d8\u91cf\uff1a\u5728 SCSS \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 $ \u7b26\u53f7\u6765\u58f0\u660e\u53d8\u91cf\uff0c\u4ece\u800c\u5141\u8bb8\u60a8\u5728\u6837\u5f0f\u8868\u4e2d\u91cd\u7528\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>$primary-color: #007bff;\n$secondary-color: #6c757d;\n\n.btn-primary {\n  background-color: $primary-color;\n  color: #fff;\n}\n\n.btn-secondary {\n  background-color: $secondary-color;\n  color: #fff;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5d4c\u5957\u89c4\u5219\uff1aSCSS \u5141\u8bb8\u60a8\u5d4c\u5957\u6837\u5f0f\u89c4\u5219\uff0c\u4ece\u800c\u4f7f\u5f97\u6837\u5f0f\u8868\u66f4\u52a0\u6613\u8bfb\u548c\u6613\u4e8e\u7ba1\u7406\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.container {\n  padding: 10px;\n\n  .row {\n    margin: 0;\n    display: flex;\n\n    .col {\n      flex: 1;\n    }\n  }\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u6df7\u5408\uff08Mixins\uff09\uff1aSCSS \u5141\u8bb8\u60a8\u5b9a\u4e49\u6df7\u5408\uff08mixins\uff09\u5e76\u5c06\u5176\u5e94\u7528\u4e8e\u591a\u4e2a\u6837\u5f0f\u89c4\u5219\u3002\u8fd9\u53ef\u4ee5\u4f7f\u60a8\u5728\u6837\u5f0f\u8868\u4e2d\u91cd\u7528\u4e00\u7ec4\u6837\u5f0f\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">perlCopy code<code>@mixin box-shadow($x, $y, $blur, $color) {\n  box-shadow: $x $y $blur $color;\n}\n\n.card {\n  @include box-shadow(0 0 10px #000);\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u7ee7\u627f\uff1aSCSS \u652f\u6301\u6837\u5f0f\u7684\u7ee7\u627f\uff0c\u4f7f\u5f97\u60a8\u53ef\u4ee5\u4f7f\u7528 @extend \u6307\u4ee4\u4ece\u5176\u4ed6\u6837\u5f0f\u89c4\u5219\u4e2d\u7ee7\u627f\u6837\u5f0f\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.panel {\n  border: 1px solid #ccc;\n  padding: 10px;\n}\n\n.panel-header {\n  font-weight: bold;\n}\n\n.panel-body {\n  font-size: 14px;\n}\n\n.panel-footer {\n  text-align: right;\n}\n\n.btn-panel {\n  @extend .panel;\n  @extend .panel-footer;\n  padding: 5px;\n\n  a {\n    display: inline-block;\n    padding: 5px;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>SCSS \u5177\u6709\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u4e0a\u8ff0\u53ea\u662f\u5176\u4e2d\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u6027\u3002\u5b83\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7f16\u5199\u548c\u7ba1\u7406\u6837\u5f0f\u8868\u7684\u6548\u7387\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u6837\u5f0f\u8868\u66f4\u52a0\u53ef\u7ef4\u62a4\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u9884\u5904\u7406\u5668Less<\/p>\n\n\n\n<p>Less\u662f\u4e00\u79cdCSS\u9884\u5904\u7406\u5668\uff0c\u5b83\u6269\u5c55\u4e86CSS\u8bed\u8a00\uff0c\u4f7f\u5176\u5177\u6709\u66f4\u591a\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\u3002Less\u4f7f\u7528\u7c7b\u4f3cCSS\u7684\u8bed\u6cd5\uff0c\u4f46\u6dfb\u52a0\u4e86\u53d8\u91cf\u3001\u51fd\u6570\u3001\u8fd0\u7b97\u7b26\u548c\u6df7\u5408\u5668\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662fLess\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53d8\u91cf\uff1aLess\u5141\u8bb8\u4f7f\u7528\u53d8\u91cf\u6765\u5b58\u50a8\u989c\u8272\u3001\u5b57\u4f53\u3001\u5c3a\u5bf8\u7b49\u503c\uff0c\u8fd9\u4e9b\u503c\u53ef\u4ee5\u5728\u6574\u4e2a\u6837\u5f0f\u8868\u4e2d\u591a\u6b21\u4f7f\u7528\u3002\u53d8\u91cf\u4ee5@\u7b26\u53f7\u5f00\u5934\u5b9a\u4e49\uff0c\u4f8b\u5982\uff1alessCopy code<code>@primary-color: #007bff;<\/code><\/li>\n\n\n\n<li>\u5d4c\u5957\uff1aLess\u5141\u8bb8\u5c06\u6837\u5f0f\u89c4\u5219\u5d4c\u5957\u5728\u53e6\u4e00\u4e2a\u89c4\u5219\u4e2d\uff0c\u8fd9\u4f7f\u5f97\u6837\u5f0f\u8868\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u3002\u4f8b\u5982\uff1alessCopy code<code>.navbar { background-color: @primary-color; ul { list-style: none; li { display: inline-block; } } }<\/code><\/li>\n\n\n\n<li>\u6df7\u5408\u5668\uff1aLess\u5141\u8bb8\u5b9a\u4e49\u53ef\u91cd\u7528\u7684\u6837\u5f0f\u5757\uff0c\u79f0\u4e3a\u6df7\u5408\u5668\u3002\u6df7\u5408\u5668\u7c7b\u4f3c\u4e8eCSS\u4e2d\u7684\u7c7b\uff0c\u4f46\u53ef\u4ee5\u5305\u542bCSS\u5c5e\u6027\u548c\u503c\u3002\u4f8b\u5982\uff1alessCopy code<code>.button { color: #fff; background-color: @primary-color; padding: 10px 20px; border-radius: 4px; } .call-to-action { .button; font-weight: bold; } <\/code>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c.call-to-action\u7c7b\u7ee7\u627f\u4e86.button\u7c7b\u7684\u6240\u6709\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u51fd\u6570\u548c\u8fd0\u7b97\u7b26\uff1aLess\u5141\u8bb8\u4f7f\u7528\u51fd\u6570\u548c\u8fd0\u7b97\u7b26\u6765\u5904\u7406\u6570\u5b66\u3001\u5b57\u7b26\u4e32\u548c\u989c\u8272\u7b49\u503c\u3002\u4f8b\u5982\uff1alessCopy code<code>@border-width: 1px; border: @border-width * 2 solid black;<\/code><\/li>\n\n\n\n<li>\u5bfc\u5165\uff1aLess\u5141\u8bb8\u5c06\u591a\u4e2a\u6837\u5f0f\u8868\u5bfc\u5165\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\u3002\u8fd9\u4f7f\u5f97\u6837\u5f0f\u8868\u66f4\u6613\u4e8e\u7ec4\u7ec7\u548c\u7ba1\u7406\u3002\u4f8b\u5982\uff1ascssCopy code<code>@import \"variables.less\"; @import \"mixins.less\"; @import \"reset.less\"; @import \"layout.less\";<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cLess\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684CSS\u9884\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u8f7b\u677e\u5730\u7ba1\u7406\u548c\u7ef4\u62a4\u5927\u578b\u6837\u5f0f\u8868\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u5982\u4f55\u4f7f\u7528SCSS\u9884\u5904\u7406\u5668<\/p>\n\n\n\n<p>SCSS\u662f\u4e00\u79cdCSS\u9884\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u8ba9\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u4e00\u4e9b\u9ad8\u7ea7\u529f\u80fd\uff0c\u5982\u53d8\u91cf\u3001\u5d4c\u5957\u3001\u6df7\u5408\u5668\u548c\u51fd\u6570\u7b49\uff0c\u4ee5\u66f4\u6709\u6548\u5730\u7f16\u5199\u548c\u7ef4\u62a4CSS\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528SCSS\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5SCSS\u7f16\u8bd1\u5668\uff1a\u9996\u5148\u9700\u8981\u5b89\u88c5SCSS\u7f16\u8bd1\u5668\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662fNode.js\u4e0a\u7684sass\u6216gulp-sass\u63d2\u4ef6\u3002\u53ef\u4ee5\u901a\u8fc7npm\uff08Node.js\u5305\u7ba1\u7406\u5668\uff09\u5b89\u88c5\u5b83\u4eec\uff1aCopy code<code>npm install -g sass<\/code><\/li>\n\n\n\n<li>\u521b\u5efaSCSS\u6587\u4ef6\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684SCSS\u6587\u4ef6\uff0c\u4f8b\u5982style.scss\u3002\u5728\u6b64\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SCSS\u7684\u9ad8\u7ea7\u529f\u80fd\u7f16\u5199CSS\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u7f16\u5199SCSS\u4ee3\u7801\uff1a\u4f7f\u7528SCSS\u7684\u53d8\u91cf\u3001\u5d4c\u5957\u3001\u6df7\u5408\u5668\u548c\u51fd\u6570\u7b49\u529f\u80fd\u7f16\u5199CSS\u4ee3\u7801\u3002\u4f8b\u5982\uff1acssCopy code<code>$primary-color: #007bff; .navbar { background-color: $primary-color; ul { list-style: none; li { display: inline-block; } } }<\/code><\/li>\n\n\n\n<li>\u7f16\u8bd1SCSS\u6587\u4ef6\uff1a\u5c06SCSS\u6587\u4ef6\u7f16\u8bd1\u4e3a\u666e\u901a\u7684CSS\u6587\u4ef6\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u7f16\u8bd1\u5668\uff0c\u4f8b\u5982\uff1aCopy code<code>sass style.scss style.css <\/code>\u8fd9\u5c06\u7f16\u8bd1style.scss\u6587\u4ef6\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5230style.css\u6587\u4ef6\u4e2d\u3002<\/li>\n\n\n\n<li>\u94fe\u63a5CSS\u6587\u4ef6\uff1a\u5c06\u7f16\u8bd1\u540e\u7684CSS\u6587\u4ef6\u94fe\u63a5\u5230HTML\u6587\u4ef6\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u67e5\u770b\u6837\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cSCSS\u662f\u4e00\u79cd\u5f3a\u5927\u7684CSS\u9884\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u8f7b\u677e\u5730\u7f16\u5199\u548c\u7ef4\u62a4CSS\u4ee3\u7801\u3002\u8981\u4f7f\u7528\u5b83\uff0c\u53ea\u9700\u5b89\u88c5SCSS\u7f16\u8bd1\u5668\uff0c\u521b\u5efaSCSS\u6587\u4ef6\uff0c\u7f16\u5199SCSS\u4ee3\u7801\uff0c\u7f16\u8bd1\u6587\u4ef6\u5e76\u5c06\u5176\u94fe\u63a5\u5230HTML\u6587\u4ef6\u4e2d\u5373\u53ef\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u5982\u4f55\u4f7f\u7528Less\u9884\u5904\u7406\u5668<\/p>\n\n\n\n<p>Less\u662f\u4e00\u79cdCSS\u9884\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u8ba9\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u4e00\u4e9b\u9ad8\u7ea7\u529f\u80fd\uff0c\u5982\u53d8\u91cf\u3001\u5d4c\u5957\u3001\u6df7\u5408\u5668\u548c\u51fd\u6570\u7b49\uff0c\u4ee5\u66f4\u6709\u6548\u5730\u7f16\u5199\u548c\u7ef4\u62a4CSS\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Less\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5Less\u7f16\u8bd1\u5668\uff1a\u9996\u5148\u9700\u8981\u5b89\u88c5Less\u7f16\u8bd1\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7npm\uff08Node.js\u5305\u7ba1\u7406\u5668\uff09\u5b89\u88c5\u5b83\uff1aCopy code<code>npm install -g less<\/code><\/li>\n\n\n\n<li>\u521b\u5efaLess\u6587\u4ef6\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Less\u6587\u4ef6\uff0c\u4f8b\u5982style.less\u3002\u5728\u6b64\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Less\u7684\u9ad8\u7ea7\u529f\u80fd\u7f16\u5199CSS\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u7f16\u5199Less\u4ee3\u7801\uff1a\u4f7f\u7528Less\u7684\u53d8\u91cf\u3001\u5d4c\u5957\u3001\u6df7\u5408\u5668\u548c\u51fd\u6570\u7b49\u529f\u80fd\u7f16\u5199CSS\u4ee3\u7801\u3002\u4f8b\u5982\uff1alessCopy code<code>@primary-color: #007bff; .navbar { background-color: @primary-color; ul { list-style: none; li { display: inline-block; } } }<\/code><\/li>\n\n\n\n<li>\u7f16\u8bd1Less\u6587\u4ef6\uff1a\u5c06Less\u6587\u4ef6\u7f16\u8bd1\u4e3a\u666e\u901a\u7684CSS\u6587\u4ef6\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u7f16\u8bd1\u5668\uff0c\u4f8b\u5982\uff1aCopy code<code>lessc style.less style.css <\/code>\u8fd9\u5c06\u7f16\u8bd1style.less\u6587\u4ef6\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5230style.css\u6587\u4ef6\u4e2d\u3002<\/li>\n\n\n\n<li>\u94fe\u63a5CSS\u6587\u4ef6\uff1a\u5c06\u7f16\u8bd1\u540e\u7684CSS\u6587\u4ef6\u94fe\u63a5\u5230HTML\u6587\u4ef6\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u67e5\u770b\u6837\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cLess\u662f\u4e00\u79cd\u5f3a\u5927\u7684CSS\u9884\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u8f7b\u677e\u5730\u7f16\u5199\u548c\u7ef4\u62a4CSS\u4ee3\u7801\u3002\u8981\u4f7f\u7528\u5b83\uff0c\u53ea\u9700\u5b89\u88c5Less\u7f16\u8bd1\u5668\uff0c\u521b\u5efaLess\u6587\u4ef6\uff0c\u7f16\u5199Less\u4ee3\u7801\uff0c\u7f16\u8bd1\u6587\u4ef6\u5e76\u5c06\u5176\u94fe\u63a5\u5230HTML\u6587\u4ef6\u4e2d\u5373\u53ef\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\uff1a\u8bb2\u89e3\u5982\u4f55\u5904\u7406\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5305\u62ec\u4f7f\u7528\u524d\u7f00\u548c\u91cd\u7f6e\u6837\u5f0f\u7b49\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u662f\u6307\u7f51\u7ad9\u6216\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u548c\u8bbe\u5907\u4e0a\u4ee5\u4e00\u81f4\u7684\u65b9\u5f0f\u663e\u793a\u548c\u8fd0\u884c\u3002\u7531\u4e8e\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u6e32\u67d3\u5f15\u64ce\u3001JavaScript\u89e3\u91ca\u5668\u548cCSS\u89e3\u6790\u5668\u7b49\u65b9\u9762\u5b58\u5728\u5dee\u5f02\uff0c\u56e0\u6b64\u4f1a\u51fa\u73b0\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u6280\u672f\u6765\u5904\u7406\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5904\u7406\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u95ee\u9898\u7684\u6280\u672f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6d4f\u89c8\u5668\u524d\u7f00\uff1a\u4e0d\u540c\u6d4f\u89c8\u5668\u652f\u6301\u4e0d\u540c\u7684CSS\u5c5e\u6027\u548c\u503c\uff0c\u4e3a\u4e86\u786e\u4fddCSS\u89c4\u5219\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e0a\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u6d4f\u89c8\u5668\u524d\u7f00\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bCSS\u89c4\u5219\u6765\u8bbe\u7f6e\u6e10\u53d8\u80cc\u666f\uff1acssCopy code<code>background: -webkit-linear-gradient(red, blue); \/* Safari 5.1-6 *\/ background: -o-linear-gradient(red, blue); \/* Opera 11.1-12 *\/ background: -moz-linear-gradient(red, blue); \/* Firefox 3.6-15 *\/ background: linear-gradient(red, blue); \/* \u6807\u51c6\u8bed\u6cd5 *\/ <\/code>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86\u56db\u4e2a\u4e0d\u540c\u7684CSS\u89c4\u5219\uff0c\u6bcf\u4e2a\u89c4\u5219\u90fd\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u524d\u7f00\uff0c\u4ee5\u786e\u4fdd\u6e10\u53d8\u80cc\u666f\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e0a\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u91cd\u7f6e\u6837\u5f0f\uff1a\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u6837\u5f0f\u4e0d\u540c\uff0c\u4e3a\u4e86\u786e\u4fdd\u9875\u9762\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e0a\u90fd\u80fd\u6b63\u5e38\u663e\u793a\uff0c\u53ef\u4ee5\u4f7f\u7528\u91cd\u7f6e\u6837\u5f0f\u3002\u91cd\u7f6e\u6837\u5f0f\u662f\u4e00\u7ec4\u901a\u7528\u7684CSS\u89c4\u5219\uff0c\u5b83\u4f1a\u91cd\u7f6e\u6240\u6709\u5143\u7d20\u7684\u9ed8\u8ba4\u6837\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bCSS\u89c4\u5219\u6765\u91cd\u7f6e\u9875\u9762\u7684\u9ed8\u8ba4\u6837\u5f0f\uff1acssCopy code<code>html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline; } <\/code>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e00\u7cfb\u5217CSS\u89c4\u5219\uff0c\u4ee5\u91cd\u7f6e\u6240\u6709\u5143\u7d20\u7684\u9ed8\u8ba4\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528Polyfill\uff1aPolyfill\u662f\u4e00\u79cdJavaScript\u5e93\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u652f\u6301\u67d0\u4e9bHTML5\u548cCSS3\u529f\u80fd\u7684\u6d4f\u89c8\u5668\u4e2d\u5b9e\u73b0<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u6700\u4f73\u5b9e\u8df5\uff1a\u4ecb\u7ecd\u4e00\u4e9bCSS\u6700\u4f73\u5b9e\u8df5\uff0c\u5982\u547d\u540d\u7ea6\u5b9a\u548c\u4ee3\u7801\u7ec4\u7ec7\u89c4\u8303\u7b49\u3002<\/p>\n\n\n\n<p>CSS\u6700\u4f73\u5b9e\u8df5\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7f16\u5199\u66f4\u5177\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u7684CSS\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684CSS\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528\u8bed\u4e49\u5316\u7684\u7c7b\u540d\uff1a\u4f7f\u7528\u5177\u6709\u8bed\u4e49\u7684\u7c7b\u540d\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u907f\u514d\u4f7f\u7528\u65e0\u610f\u4e49\u7684\u7c7b\u540d\uff0c\u4f8b\u5982\u201cbox\u201d\u6216\u201ccontent\u201d\uff0c\u800c\u5e94\u8be5\u4f7f\u7528\u63cf\u8ff0\u5143\u7d20\u529f\u80fd\u6216\u76ee\u7684\u7684\u7c7b\u540d\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u547d\u540d\u7ea6\u5b9a\uff1a\u4f7f\u7528\u547d\u540d\u7ea6\u5b9a\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u3002\u5e38\u89c1\u7684\u547d\u540d\u7ea6\u5b9a\u5305\u62ecBEM\uff08\u5757\u3001\u5143\u7d20\u3001\u4fee\u9970\u7b26\uff09\u548cOOCSS\uff08\u9762\u5411\u5bf9\u8c61CSS\uff09\u3002<\/li>\n\n\n\n<li>\u907f\u514d\u4f7f\u7528ID\u9009\u62e9\u5668\uff1a\u4f7f\u7528ID\u9009\u62e9\u5668\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u5177\u4f53\uff0c\u4f46\u4e5f\u4f1a\u5bfc\u81f4CSS\u7684\u590d\u6742\u6027\u548c\u4e0d\u53ef\u91cd\u7528\u6027\u3002\u76f8\u53cd\uff0c\u5e94\u8be5\u4f18\u5148\u4f7f\u7528\u7c7b\u9009\u62e9\u5668\u3002<\/li>\n\n\n\n<li>\u7ec4\u7ec7CSS\u4ee3\u7801\uff1a\u5c06CSS\u4ee3\u7801\u7ec4\u7ec7\u6210\u53ef\u91cd\u7528\u7684\u6a21\u5757\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u6a21\u5757\u5316CSS\u6846\u67b6\uff0c\u5982Bootstrap\u6216Foundation\uff0c\u6216\u8005\u4f7f\u7528\u81ea\u5df1\u7684\u6a21\u5757\u5316\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5d4c\u5957\u89c4\u5219\uff1a\u4f7f\u7528\u5d4c\u5957\u89c4\u5219\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u5e76\u4e14\u53ef\u4ee5\u907f\u514d\u9009\u62e9\u5668\u7684\u5c42\u53e0\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u9884\u5904\u7406\u5668\uff1a\u4f7f\u7528CSS\u9884\u5904\u7406\u5668\u53ef\u4ee5\u4f7fCSS\u4ee3\u7801\u66f4\u6613\u4e8e\u7f16\u5199\u548c\u7ef4\u62a4\u3002\u5e38\u89c1\u7684\u9884\u5904\u7406\u5668\u5305\u62ecSCSS\u548cLess\u3002<\/li>\n\n\n\n<li>\u91cd\u7f6e\u6837\u5f0f\uff1a\u5728\u5f00\u59cb\u7f16\u5199CSS\u4e4b\u524d\uff0c\u5e94\u8be5\u4f7f\u7528\u91cd\u7f6e\u6837\u5f0f\u6e05\u9664\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u6837\u5f0f\u3002\u8fd9\u6709\u52a9\u4e8e\u786e\u4fdd\u4e0d\u540c\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li>\u517c\u5bb9\u6027\u524d\u7f00\uff1a\u4f7f\u7528CSS\u517c\u5bb9\u6027\u524d\u7f00\u53ef\u4ee5\u786e\u4fddCSS\u4ee3\u7801\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u3002\u5e38\u89c1\u7684\u524d\u7f00\u5305\u62ec-moz-\uff08Firefox\uff09\u3001-webkit-\uff08Safari\u548cChrome\uff09\u548c-ms-\uff08Internet Explorer\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0cCSS\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7f16\u5199\u66f4\u9ad8\u8d28\u91cf\u7684CSS\u4ee3\u7801\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecd\u9762\u5411\u5bf9\u8c61CSS<\/p>\n\n\n\n<p>\u9762\u5411\u5bf9\u8c61CSS\uff08Object-Oriented CSS\uff0c\u7b80\u79f0OOCSS\uff09\u662f\u4e00\u79cd\u7f16\u5199\u53ef\u91cd\u7528\u3001\u53ef\u6269\u5c55\u3001\u6613\u7ef4\u62a4\u7684CSS\u4ee3\u7801\u7684\u65b9\u6cd5\u8bba\u3002\u5b83\u501f\u9274\u4e86\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u601d\u60f3\uff0c\u5c06CSS\u6837\u5f0f\u89c6\u4e3a\u5bf9\u8c61\uff0c\u901a\u8fc7\u62c6\u5206\u548c\u62bd\u8c61\u6765\u5b9e\u73b0\u53ef\u91cd\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e9bOOCSS\u7684\u4e3b\u8981\u6982\u5ff5\u548c\u6280\u672f\uff1a<\/p>\n\n\n\n<ol 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tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdBootstrap\u4e2dCSS\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>Bootstrap\u662f\u4e00\u79cd\u6d41\u884c\u7684CSS\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u7ec4\u73b0\u6210\u7684CSS\u6837\u5f0f\u548cJavaScript\u7ec4\u4ef6\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5feb\u901f\u6784\u5efa\u54cd\u5e94\u5f0f\u7f51\u7ad9\u3002\u4ee5\u4e0b\u662fBootstrap\u4e2dCSS\u7684\u7528\u6cd5\u7684\u4e00\u4e9b\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<ol 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecd\u91cd\u7f6e\u6837\u5f0f<\/p>\n\n\n\n<p>\u91cd\u7f6e\u6837\u5f0f\u662f\u6307\u5728\u7f16\u5199CSS\u6837\u5f0f\u8868\u65f6\uff0c\u901a\u8fc7\u5bf9\u6d4f\u89c8\u5668\u9ed8\u8ba4\u6837\u5f0f\u8fdb\u884c\u91cd\u7f6e\uff0c\u4ece\u800c\u6d88\u9664\u6d4f\u89c8\u5668\u5dee\u5f02\u6240\u5e26\u6765\u7684\u95ee\u9898\uff0c\u5e76\u8ba9\u7f51\u9875\u5728\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u4e00\u81f4\u7684\u5916\u89c2\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u6837\u5f0f\u53ef\u80fd\u4f1a\u5bf9\u9875\u9762\u5e03\u5c40\u3001\u5b57\u4f53\u5927\u5c0f\u3001\u989c\u8272\u7b49\u9020\u6210\u4e0d\u540c\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\u5728\u8fdb\u884c\u7f51\u9875\u8bbe\u8ba1\u65f6\uff0c\u6211\u4eec\u9700\u8981\u91cd\u7f6e\u8fd9\u4e9b\u9ed8\u8ba4\u6837\u5f0f\uff0c\u4ee5\u4fdd\u8bc1\u9875\u9762\u5728\u5404\u79cd\u6d4f\u89c8\u5668\u4e2d\u90fd\u5448\u73b0\u76f8\u540c\u7684\u5916\u89c2\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u91cd\u7f6e\u6837\u5f0f\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6807\u51c6\u5316\u6837\u5f0f\u8868\uff08Normalize.css\uff09\uff1aNormalize.css \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u8de8\u6d4f\u89c8\u5668\u7684 CSS \u6837\u5f0f\u5e93\uff0c\u53ef\u4ee5\u8ba9\u7f51\u9875\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u76f8\u540c\u7684\u5916\u89c2\u3002\u5b83\u4f7f\u7528\u4e86\u4e00\u7cfb\u5217\u7684CSS\u89c4\u5219\u6765\u91cd\u7f6e\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u6837\u5f0f\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e9b\u901a\u7528\u7684CSS\u89c4\u5219\uff0c\u5982\u5b9a\u4e49\u597d\u7684\u57fa\u7840\u5b57\u4f53\u5927\u5c0f\u3001\u6e05\u9664\u6d6e\u52a8\u3001\u53d6\u6d88\u5217\u8868\u524d\u540e\u7684\u7a7a\u767d\u7b49\u3002\u4f7f\u7528Normalize.css\u53ef\u4ee5\u4f7f\u7f51\u9875\u5728\u5404\u79cd\u6d4f\u89c8\u5668\u4e2d\u90fd\u5448\u73b0\u51fa\u4e00\u81f4\u7684\u5916\u89c2\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u901a\u7528\u9009\u62e9\u5668\uff08*\uff09\u6765\u91cd\u7f6e\u9ed8\u8ba4\u6837\u5f0f\uff1a\u4f7f\u7528\u901a\u7528\u9009\u62e9\u5668\u53ef\u4ee5\u6e05\u9664\u6d4f\u89c8\u5668\u9ed8\u8ba4\u6837\u5f0f\u5bf9\u5143\u7d20\u7684\u5f71\u54cd\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u5c06\u6240\u6709\u5143\u7d20\u7684\u9ed8\u8ba4\u6837\u5f0f\u90fd\u6e05\u9664\uff0c\u9700\u8981\u5728\u4e4b\u540e\u91cd\u65b0\u5b9a\u4e49\u6240\u6709\u5143\u7d20\u7684\u6837\u5f0f\uff0c\u4f1a\u589e\u52a0\u4ee3\u7801\u7684\u590d\u6742\u5ea6\u548c\u5de5\u4f5c\u91cf\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528Reset.css\u6587\u4ef6\uff1aReset.css\u662f\u53e6\u4e00\u79cd\u91cd\u7f6e\u9ed8\u8ba4\u6837\u5f0f\u7684\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u91cd\u7f6e\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u6837\u5f0f\uff0c\u4ece\u800c\u4f7f\u7f51\u9875\u5448\u73b0\u51fa\u66f4\u52a0\u4e00\u81f4\u7684\u5916\u89c2\u3002Reset.css\u7684\u4f5c\u7528\u662f\u5c06\u5143\u7d20\u7684\u9ed8\u8ba4\u6837\u5f0f\u91cd\u7f6e\u4e3a\u4e00\u7ec4\u901a\u7528\u6837\u5f0f\uff0c\u907f\u514d\u6d4f\u89c8\u5668\u5dee\u5f02\u5e26\u6765\u7684\u95ee\u9898\u3002\u76f8\u6bd4\u4e8e\u901a\u7528\u9009\u62e9\u5668\uff0cReset.css\u66f4\u52a0\u7cbe\u7ec6\uff0c\u4e0d\u4f1a\u5c06\u6240\u6709\u5143\u7d20\u7684\u9ed8\u8ba4\u6837\u5f0f\u90fd\u6e05\u9664\uff0c\u4f46\u662f\u9700\u8981\u5728\u4e4b\u540e\u91cd\u65b0\u5b9a\u4e49\u90e8\u5206\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>\u624b\u52a8\u91cd\u7f6e\u9ed8\u8ba4\u6837\u5f0f\uff1a\u624b\u52a8\u91cd\u7f6e\u9ed8\u8ba4\u6837\u5f0f\u662f\u6307\u9488\u5bf9\u5177\u4f53\u7684\u5143\u7d20\uff0c\u624b\u52a8\u8bbe\u7f6e\u5176\u6837\u5f0f\uff0c\u4ece\u800c\u6d88\u9664\u6d4f\u89c8\u5668\u9ed8\u8ba4\u6837\u5f0f\u5bf9\u8be5\u5143\u7d20\u9020\u6210\u7684\u5f71\u54cd\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u5355\u72ec\u5904\u7406\uff0c\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u624b\u52a8\u7f16\u5199\u5927\u91cf\u7684\u6837\u5f0f\uff0c\u5de5\u4f5c\u91cf\u8f83\u5927\uff0c\u4f46\u662f\u80fd\u591f\u83b7\u5f97\u66f4\u52a0\u7cbe\u7ec6\u7684\u63a7\u5236\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u91cd\u7f6e\u6837\u5f0f\u662f\u63d0\u9ad8\u7f51\u9875\u5728\u5404\u79cd\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u4e00\u81f4\u6027\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u5f0f\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u800c\u5b9a\uff0c\u53ef\u4ee5\u9009\u62e9\u901a\u7528\u9009\u62e9\u5668\u3001Reset.css\u3001Normalize.css\u6216\u624b\u52a8\u8bbe\u7f6e\u6837\u5f0f\u7b49\u65b9\u6cd5\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u80cc\u666f\uff0c\u6587\u672c\uff0c\u5b57\u4f53\uff0c\u94fe\u63a5\uff0c\u5217\u8868\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e2d\u6709\u8bb8\u591a\u5c5e\u6027\u53ef\u7528\u4e8e\u5b9a\u5236\u548c\u8bbe\u8ba1\u7f51\u9875\u7684\u80cc\u666f\u3001\u6587\u672c\u3001\u5b57\u4f53\u3001\u94fe\u63a5\u548c\u5217\u8868\u7b49\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684CSS\u5c5e\u6027\u548c\u5b83\u4eec\u7684\u7528\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u80cc\u666f<\/li>\n<\/ol>\n\n\n\n<p>CSS\u63d0\u4f9b\u4e86\u591a\u79cd\u5c5e\u6027\u6765\u8bbe\u7f6e\u7f51\u9875\u7684\u80cc\u666f\uff0c\u5305\u62ec\u80cc\u666f\u989c\u8272\u3001\u80cc\u666f\u56fe\u50cf\u3001\u80cc\u666f\u5e73\u94fa\u3001\u80cc\u666f\u4f4d\u7f6e\u7b49\u3002\u5e38\u7528\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>background-color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3002<\/li>\n\n\n\n<li>background-image\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u56fe\u50cf\u3002<\/li>\n\n\n\n<li>background-repeat\uff1a\u7528\u4e8e\u8bbe\u7f6e\u80cc\u666f\u56fe\u50cf\u7684\u5e73\u94fa\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3ano-repeat\uff08\u4e0d\u5e73\u94fa\uff09\u3001repeat-x\uff08\u6c34\u5e73\u5e73\u94fa\uff09\u3001repeat-y\uff08\u5782\u76f4\u5e73\u94fa\uff09\u6216repeat\uff08\u6c34\u5e73\u548c\u5782\u76f4\u5e73\u94fa\uff09\u3002<\/li>\n\n\n\n<li>background-position\uff1a\u7528\u4e8e\u8bbe\u7f6e\u80cc\u666f\u56fe\u50cf\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57\uff08\u5982top\u3001center\u3001bottom\uff09\u6216\u50cf\u7d20\u503c\u6765\u5b9a\u4f4d\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6587\u672c<\/li>\n<\/ol>\n\n\n\n<p>CSS\u63d0\u4f9b\u4e86\u591a\u79cd\u5c5e\u6027\u6765\u8bbe\u7f6e\u7f51\u9875\u4e2d\u6587\u672c\u7684\u6837\u5f0f\u548c\u6392\u7248\uff0c\u5305\u62ec\u5b57\u4f53\u3001\u989c\u8272\u3001\u5927\u5c0f\u3001\u884c\u9ad8\u3001\u5bf9\u9f50\u65b9\u5f0f\u7b49\u3002\u5e38\u7528\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>font-family\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7684\u540d\u79f0\u6216\u5b57\u4f53\u65cf\u540d\u79f0\u3002<\/li>\n\n\n\n<li>color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u672c\u7684\u989c\u8272\u3002<\/li>\n\n\n\n<li>font-size\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7684\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>line-height\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u672c\u884c\u9ad8\u3002<\/li>\n\n\n\n<li>text-align\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u672c\u7684\u5bf9\u9f50\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3aleft\u3001center\u3001right\u6216justify\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5b57\u4f53<\/li>\n<\/ol>\n\n\n\n<p>CSS\u4e2d\u63d0\u4f9b\u4e86\u591a\u79cd\u5c5e\u6027\u6765\u8bbe\u7f6e\u5b57\u4f53\u7684\u6837\u5f0f\u548c\u6548\u679c\uff0c\u5305\u62ec\u52a0\u7c97\u3001\u659c\u4f53\u3001\u4e0b\u5212\u7ebf\u3001\u5220\u9664\u7ebf\u7b49\u3002\u5e38\u7528\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>font-weight\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7684\u7c97\u7ec6\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3anormal\u3001bold\u6216\u8005\u4f7f\u7528\u6570\u503c\u6765\u63a7\u5236\u7c97\u7ec6\u3002<\/li>\n\n\n\n<li>font-style\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u7684\u98ce\u683c\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3anormal\uff08\u666e\u901a\uff09\u3001italic\uff08\u659c\u4f53\uff09\u6216\u8005oblique\uff08\u503e\u659c\uff09\u3002<\/li>\n\n\n\n<li>text-decoration\uff1a\u7528\u4e8e\u8bbe\u7f6e\u6587\u672c\u7684\u4fee\u9970\u6548\u679c\uff0c\u5982\u4e0b\u5212\u7ebf\u3001\u5220\u9664\u7ebf\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u94fe\u63a5<\/li>\n<\/ol>\n\n\n\n<p>CSS\u4e2d\u63d0\u4f9b\u4e86\u591a\u79cd\u5c5e\u6027\u6765\u8bbe\u7f6e\u94fe\u63a5\u7684\u6837\u5f0f\u548c\u6548\u679c\uff0c\u5305\u62ec\u94fe\u63a5\u989c\u8272\u3001\u9f20\u6807\u60ac\u505c\u6548\u679c\u7b49\u3002\u5e38\u7528\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u94fe\u63a5\u7684\u989c\u8272\u3002<\/li>\n\n\n\n<li>text-decoration\uff1a\u7528\u4e8e\u8bbe\u7f6e\u94fe\u63a5\u7684\u4fee\u9970\u6548\u679c\uff0c\u5982\u4e0b\u5212\u7ebf\u3001\u5220\u9664\u7ebf\u7b49\u3002<\/li>\n\n\n\n<li>:hover\uff1a\u7528\u4e8e\u8bbe\u7f6e\u9f20\u6807\u60ac\u505c\u65f6\u94fe\u63a5\u7684\u6548\u679c\uff0c\u5982\u6539\u53d8\u989c\u8272\u6216\u52a0\u4e0b\u5212\u7ebf\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5217\u8868<\/li>\n<\/ol>\n\n\n\n<p>CSS\u4e2d\u63d0\u4f9b\u4e86\u591a\u79cd\u5c5e\u6027\u6765\u8bbe\u7f6e\u5217\u8868\u7684\u6837\u5f0f\u548c\u6548\u679c\uff0c\u5305\u62ec\u5217\u8868\u9879\u6807\u8bb0\u7684\u6837\u5f0f\u3001\u5217\u8868\u9879\u4e4b\u95f4\u7684\u95f4\u8ddd\u7b49\u3002\u5e38\u7528\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>list-style-type\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5217\u8868\u9879\u6807\u8bb0\u7684\u6837\u5f0f\uff0c\u5982\u5b9e\u5fc3\u5706\u3001\u5b9e\u5fc3\u65b9\u5757\u7b49\u3002<\/li>\n\n\n\n<li>list-style-image\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5217\u8868\u9879\u6807\u8bb0\u7684\u56fe\u50cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u56fe\u7247\u6765\u66ff\u6362\u6807\u8bb0\u3002<\/li>\n\n\n\n<li>list-style-position\uff1a\u7528<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7ee7\u7eed<\/p>\n\n\n\n<p>\u5f53\u6d89\u53ca\u5230CSS\u7684\u80cc\u666f\u3001\u6587\u672c\u3001\u5b57\u4f53\u3001\u94fe\u63a5\u548c\u5217\u8868\u65f6\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7528\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u80cc\u666f\uff1a<\/li>\n<\/ol>\n\n\n\n<p>\u80cc\u666f\u662f\u4e00\u4e2a\u5e38\u7528\u7684CSS\u5c5e\u6027\uff0c\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3001\u80cc\u666f\u56fe\u7247\u3001\u80cc\u666f\u91cd\u590d\u65b9\u5f0f\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u80cc\u666f\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>background-color\uff1a\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3002<\/li>\n\n\n\n<li>background-image\uff1a\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u56fe\u7247\u3002<\/li>\n\n\n\n<li>background-repeat\uff1a\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u7684\u91cd\u590d\u65b9\u5f0f\uff0c\u5982no-repeat\u3001repeat-x\u3001repeat-y\u548crepeat\u3002<\/li>\n\n\n\n<li>background-position\uff1a\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u7684\u4f4d\u7f6e\uff0c\u5982top\u3001center\u3001bottom\u3001left\u3001right\u3002<\/li>\n\n\n\n<li>background-size\uff1a\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u7684\u5c3a\u5bf8\uff0c\u5982cover\u3001contain\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6587\u672c\uff1a<\/li>\n<\/ol>\n\n\n\n<p>\u6587\u672c\u6837\u5f0f\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u5185\u6587\u672c\u7684\u6837\u5f0f\uff0c\u5982\u989c\u8272\u3001\u5b57\u4f53\u5927\u5c0f\u3001\u5b57\u4f53\u6837\u5f0f\u3001\u6587\u672c\u88c5\u9970\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6587\u672c\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>color\uff1a\u8bbe\u7f6e\u6587\u672c\u989c\u8272\u3002<\/li>\n\n\n\n<li>font-size\uff1a\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>font-weight\uff1a\u8bbe\u7f6e\u5b57\u4f53\u7c97\u7ec6\uff0c\u5982bold\u3001normal\u3002<\/li>\n\n\n\n<li>font-style\uff1a\u8bbe\u7f6e\u5b57\u4f53\u6837\u5f0f\uff0c\u5982italic\u3001normal\u3002<\/li>\n\n\n\n<li>text-decoration\uff1a\u8bbe\u7f6e\u6587\u672c\u88c5\u9970\uff0c\u5982underline\u3001overline\u3001line-through\u7b49\u3002<\/li>\n\n\n\n<li>text-align\uff1a\u8bbe\u7f6e\u6587\u672c\u5bf9\u9f50\u65b9\u5f0f\uff0c\u5982left\u3001center\u3001right\u3001justify\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5b57\u4f53\uff1a<\/li>\n<\/ol>\n\n\n\n<p>\u5b57\u4f53\u6837\u5f0f\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5b57\u4f53\u7c7b\u578b\u548c\u76f8\u5173\u5c5e\u6027\uff0c\u5982\u5b57\u4f53\u7cfb\u5217\u3001\u5b57\u4f53\u5927\u5c0f\u3001\u5b57\u4f53\u989c\u8272\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5b57\u4f53\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>font-family\uff1a\u8bbe\u7f6e\u5b57\u4f53\u7cfb\u5217\uff0c\u5982Arial\u3001Times New Roman\u3002<\/li>\n\n\n\n<li>font-size\uff1a\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>font-weight\uff1a\u8bbe\u7f6e\u5b57\u4f53\u7c97\u7ec6\uff0c\u5982bold\u3001normal\u3002<\/li>\n\n\n\n<li>font-style\uff1a\u8bbe\u7f6e\u5b57\u4f53\u6837\u5f0f\uff0c\u5982italic\u3001normal\u3002<\/li>\n\n\n\n<li>color\uff1a\u8bbe\u7f6e\u5b57\u4f53\u989c\u8272\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u94fe\u63a5\uff1a<\/li>\n<\/ol>\n\n\n\n<p>\u94fe\u63a5\u6837\u5f0f\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u94fe\u63a5\u6837\u5f0f\uff0c\u5305\u62ec\u94fe\u63a5\u7684\u989c\u8272\u3001\u80cc\u666f\u989c\u8272\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u94fe\u63a5\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>color\uff1a\u8bbe\u7f6e\u94fe\u63a5\u989c\u8272\u3002<\/li>\n\n\n\n<li>text-decoration\uff1a\u8bbe\u7f6e\u94fe\u63a5\u7684\u4e0b\u5212\u7ebf\u548c\u5220\u9664\u7ebf\u7b49\u6587\u672c\u88c5\u9970\u3002<\/li>\n\n\n\n<li>background-color\uff1a\u8bbe\u7f6e\u94fe\u63a5\u7684\u80cc\u666f\u989c\u8272\u3002<\/li>\n\n\n\n<li>:hover\u4f2a\u7c7b\uff1a\u8bbe\u7f6e\u9f20\u6807\u60ac\u505c\u5728\u94fe\u63a5\u4e0a\u65f6\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:visited\u4f2a\u7c7b\uff1a\u8bbe\u7f6e\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\u7684\u6837\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5217\u8868\uff1a<\/li>\n<\/ol>\n\n\n\n<p>\u5217\u8868\u6837\u5f0f\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5217\u8868\u6837\u5f0f\uff0c\u5305\u62ec\u65e0\u5e8f\u5217\u8868\u548c\u6709\u5e8f\u5217\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5217\u8868\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>list-style-type\uff1a\u8bbe\u7f6e\u5217\u8868\u9879\u7684\u6807\u8bb0\u7c7b\u578b\uff0c\u5982disc\u3001circle\u3001square\u3001decimal\u3001lower-alpha\u7b49\u3002<\/li>\n\n\n\n<li>list-style-image\uff1a\u8bbe\u7f6e\u5217\u8868\u9879\u7684\u6807\u8bb0\u4e3a\u56fe\u7247\u3002<\/li>\n\n\n\n<li>list-style-position\uff1a\u8bbe\u7f6e\u5217\u8868\u9879\u6807\u8bb0\u7684\u4f4d\u7f6e\uff0c\u5982inside\u3001outside\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5217\u8868\uff0c\u8868\u683c\uff0c\u8fb9\u6846\uff0c\u8f6e\u5ed3\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>\u5f53\u6d89\u53ca\u5230\u5e03\u5c40\u548c\u8bbe\u8ba1\u7684\u65f6\u5019\uff0c\u5217\u8868\u3001\u8868\u683c\u3001\u8fb9\u6846\u548c\u8f6e\u5ed3\u90fd\u662f\u5f88\u6709\u7528\u7684CSS\u5c5e\u6027\u3002\u4e0b\u9762\u662f\u5bf9\u8fd9\u4e9b\u5c5e\u6027\u7684\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5217\u8868<\/h2>\n\n\n\n<p>CSS\u4e2d\u7684\u5217\u8868\u53ef\u4ee5\u4f7f\u7528 <code>list-style<\/code> \u5c5e\u6027\u8fdb\u884c\u63a7\u5236\uff0c\u8be5\u5c5e\u6027\u53ef\u4ee5\u8bbe\u7f6e\u4ee5\u4e0b\u503c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>none<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4e0d\u663e\u793a\u4efb\u4f55\u6807\u8bb0\u3002<\/li>\n\n\n\n<li><code>disc<\/code>\uff1a\u5217\u8868\u9879\u76ee\u7528\u4e00\u4e2a\u9ed1\u8272\u5b9e\u5fc3\u5706\u6807\u8bb0\u3002<\/li>\n\n\n\n<li><code>circle<\/code>\uff1a\u5217\u8868\u9879\u76ee\u7528\u4e00\u4e2a\u9ed1\u8272\u7a7a\u5fc3\u5706\u6807\u8bb0\u3002<\/li>\n\n\n\n<li><code>square<\/code>\uff1a\u5217\u8868\u9879\u76ee\u7528\u4e00\u4e2a\u9ed1\u8272\u5b9e\u5fc3\u6b63\u65b9\u5f62\u6807\u8bb0\u3002<\/li>\n\n\n\n<li><code>decimal<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4f7f\u7528\u6570\u5b57\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n\n\n\n<li><code>lower-roman<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4f7f\u7528\u5c0f\u5199\u7f57\u9a6c\u6570\u5b57\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n\n\n\n<li><code>upper-roman<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4f7f\u7528\u5927\u5199\u7f57\u9a6c\u6570\u5b57\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n\n\n\n<li><code>lower-alpha<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n\n\n\n<li><code>upper-alpha<\/code>\uff1a\u5217\u8868\u9879\u76ee\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u5c06\u8bbe\u7f6e\u65e0\u5e8f\u5217\u8868\u4f7f\u7528\u5b9e\u5fc3\u5706\u6807\u8bb0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>ul {\n  list-style: disc;\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8868\u683c<\/h2>\n\n\n\n<p>CSS\u4e2d\u7684\u8868\u683c\u53ef\u4ee5\u4f7f\u7528 <code>border<\/code>\u3001<code>padding<\/code> \u548c <code>margin<\/code> \u5c5e\u6027\u8fdb\u884c\u63a7\u5236\uff0c\u8fd9\u4e9b\u5c5e\u6027\u90fd\u4e0e\u5176\u4ed6HTML\u5143\u7d20\u7684\u4f7f\u7528\u65b9\u6cd5\u76f8\u540c\u3002\u7136\u800c\uff0c\u8fd8\u6709\u4e00\u4e9b\u66f4\u7279\u5b9a\u4e8e\u8868\u683c\u7684CSS\u5c5e\u6027\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>border-collapse<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5355\u5143\u683c\u4e4b\u95f4\u7684\u8fb9\u6846\u662f\u5426\u5408\u5e76\u4e3a\u5355\u4e2a\u8fb9\u6846\u3002\u5982\u679c\u8bbe\u7f6e\u4e3a <code>collapse<\/code>\uff0c\u5219\u76f8\u90bb\u5355\u5143\u683c\u7684\u8fb9\u6846\u5c06\u5408\u5e76\u4e3a\u4e00\u4e2a\u5355\u4e00\u8fb9\u6846\uff1b\u5982\u679c\u8bbe\u7f6e\u4e3a <code>separate<\/code>\uff0c\u5219\u6bcf\u4e2a\u5355\u5143\u683c\u90fd\u6709\u81ea\u5df1\u7684\u8fb9\u6846\u3002<\/li>\n\n\n\n<li><code>border-spacing<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u76f8\u90bb\u5355\u5143\u683c\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li><code>caption-side<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u8868\u683c\u6807\u9898\u51fa\u73b0\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a <code>top<\/code>\u3001<code>bottom<\/code>\u3001<code>left<\/code> \u6216 <code>right<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u5c06\u8bbe\u7f6e\u4e00\u4e2a\u5e26\u6709\u9ed1\u8272\u8fb9\u6846\u7684\u8868\u683c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>table {\n  border-collapse: collapse;\n  border: 1px solid black;\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fb9\u6846<\/h2>\n\n\n\n<p>\u8fb9\u6846\u53ef\u4ee5\u4f7f\u7528 <code>border<\/code> \u5c5e\u6027\u8fdb\u884c\u63a7\u5236\uff0c\u8be5\u5c5e\u6027\u53ef\u4ee5\u8bbe\u7f6e\u4ee5\u4e0b\u503c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>border-width<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u8fb9\u6846\u7684\u5bbd\u5ea6\u3002<\/li>\n\n\n\n<li><code>border-style<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u8fb9\u6846\u7684\u6837\u5f0f\uff0c\u4f8b\u5982 <code>solid<\/code>\u3001<code>dashed<\/code> \u6216 <code>dotted<\/code>\u3002<\/li>\n\n\n\n<li><code>border-color<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u8fb9\u6846\u7684\u989c\u8272\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u5c5e\u6027\u4e5f\u53ef\u4ee5\u5206\u522b\u8bbe\u7f6e\uff0c\u4f8b\u5982 <code>border-top-width<\/code> \u548c <code>border-left-color<\/code>\u3002<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u5c06\u8bbe\u7f6e\u4e00\u4e2a\u5e26\u6709\u7ea2\u8272\u865a\u7ebf\u8fb9\u6846\u7684\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>div {\n  border: 1px dashed red;\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f6e\u5ed3<\/h2>\n\n\n\n<p>\u8f6e\u5ed3\u662f\u4e00\u6761\u4f4d\u4e8e\u8fb9\u6846\u5916\u9762\u7684\u7ebf\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>outline<\/code> \u5c5e\u6027\u8fdb\u884c\u63a7\u5236\uff0c\u8be5\u5c5e\u6027\u53ef\u4ee5\u8bbe\u7f6e\u4ee5\u4e0b\u503c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>outline-width<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u8f6e\u5ed3\u7ebf\u7684\u5bbd\u5ea6\u3002<\/li>\n\n\n\n<li>`<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7ee7\u7eed<\/p>\n\n\n\n<p>\u5f53\u4f7f\u7528CSS\u521b\u5efa\u8868\u683c\u65f6\uff0c\u5e38\u89c1\u7684\u5c5e\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>table-layout<\/code>: \u5b9a\u4e49\u8868\u683c\u7684\u5e03\u5c40\u65b9\u5f0f\uff0c\u53ef\u4ee5\u662f<code>auto<\/code>(\u9ed8\u8ba4)\u3001<code>fixed<\/code>\u3001<code>inherit<\/code>\uff0c\u5176\u4e2d<code>fixed<\/code>\u8868\u793a\u6240\u6709\u5355\u5143\u683c\u7684\u5bbd\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u800c<code>auto<\/code>\u5219\u8868\u793a\u5355\u5143\u683c\u5bbd\u5ea6\u53ef\u4ee5\u6839\u636e\u5185\u5bb9\u81ea\u52a8\u8c03\u6574\u3002<\/li>\n\n\n\n<li><code>border-collapse<\/code>: \u5b9a\u4e49\u8868\u683c\u8fb9\u6846\u7684\u5408\u5e76\u65b9\u5f0f\uff0c\u53ef\u4ee5\u662f<code>collapse<\/code>(\u9ed8\u8ba4)\u3001<code>separate<\/code>\uff0c\u5176\u4e2d<code>collapse<\/code>\u8868\u793a\u76f8\u90bb\u5355\u5143\u683c\u7684\u8fb9\u6846\u5c06\u5408\u5e76\u4e3a\u4e00\u4e2a\u5355\u4e00\u7684\u8fb9\u6846\u7ebf\uff0c\u800c<code>separate<\/code>\u8868\u793a\u76f8\u90bb\u5355\u5143\u683c\u8fb9\u6846\u4e0d\u5408\u5e76\u3002<\/li>\n\n\n\n<li><code>border-spacing<\/code>: \u5b9a\u4e49\u76f8\u90bb\u5355\u5143\u683c\u4e4b\u95f4\u7684\u95f4\u8ddd\u3002\u53ea\u6709\u5728<code>border-collapse<\/code>\u5c5e\u6027\u8bbe\u7f6e\u4e3a<code>separate<\/code>\u65f6\uff0c\u8fd9\u4e2a\u5c5e\u6027\u624d\u4f1a\u8d77\u4f5c\u7528\u3002<\/li>\n\n\n\n<li><code>caption-side<\/code>: \u5b9a\u4e49\u8868\u683c\u6807\u9898\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u662f<code>top<\/code>\u3001<code>bottom<\/code>\u3001<code>left<\/code>\u3001<code>right<\/code>\uff0c\u5176\u4e2d<code>top<\/code>\u548c<code>bottom<\/code>\u8868\u793a\u6807\u9898\u5728\u8868\u683c\u7684\u4e0a\u65b9\u6216\u4e0b\u65b9\uff0c\u800c<code>left<\/code>\u548c<code>right<\/code>\u8868\u793a\u6807\u9898\u5728\u8868\u683c\u7684\u5de6\u4fa7\u6216\u53f3\u4fa7\u3002<\/li>\n\n\n\n<li><code>empty-cells<\/code>: \u5b9a\u4e49\u7a7a\u5355\u5143\u683c\u7684\u8868\u73b0\u65b9\u5f0f\uff0c\u53ef\u4ee5\u662f<code>show<\/code>(\u9ed8\u8ba4)\u3001<code>hide<\/code>\u3001<code>inherit<\/code>\u3002\u5f53\u8bbe\u7f6e\u4e3a<code>hide<\/code>\u65f6\uff0c\u7a7a\u5355\u5143\u683c\u5c06\u4e0d\u4f1a\u663e\u793a\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>table {\n  border-collapse: collapse;\n  width: 100%;\n}\n\nth, td {\n  padding: 8px;\n  text-align: left;\n  border-bottom: 1px solid #ddd;\n}\n\ntr:hover {\n  background-color: #f5f5f5;\n}\n\nth {\n  background-color: #4CAF50;\n  color: white;\n}\n\n.caption {\n  caption-side: top;\n}\n\n.empty-cells {\n  empty-cells: hide;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5f53\u4f7f\u7528CSS\u521b\u5efa\u8fb9\u6846\u65f6\uff0c\u5e38\u89c1\u7684\u5c5e\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>border<\/code>: \u5b9a\u4e49\u5143\u7d20\u7684\u8fb9\u6846\uff0c\u53ef\u4ee5\u662f<code>width style color<\/code>\u7684\u5f62\u5f0f\uff0c\u4f8b\u5982<code>border: 1px solid black;<\/code>\u8868\u793a\u8fb9\u6846\u5bbd\u5ea6\u4e3a1\u50cf\u7d20\uff0c\u8fb9\u6846\u6837\u5f0f\u4e3a\u5b9e\u7ebf\uff0c\u989c\u8272\u4e3a\u9ed1\u8272\u3002<\/li>\n\n\n\n<li><code>border-width<\/code>: \u5b9a\u4e49\u5143\u7d20\u7684\u8fb9\u6846\u5bbd\u5ea6\uff0c\u53ef\u4ee5\u662f\u5177\u4f53\u6570\u503c\u6216\u5173\u952e\u8bcd\uff0c\u4f8b\u5982<code>thin<\/code>\u3001<code>medium<\/code>\u3001<code>thick<\/code>\u7b49\u3002<\/li>\n\n\n\n<li><code>border-style<\/code>: \u5b9a\u4e49\u5143\u7d20\u7684\u8fb9\u6846\u6837\u5f0f\uff0c\u53ef\u4ee5\u662f<code>solid<\/code>(\u5b9e\u7ebf)\u3001<code>dotted<\/code>(\u70b9\u72b6\u7ebf)\u3001<code>dashed<\/code>(\u865a\u7ebf)\u3001<code>double<\/code>(\u53cc\u5b9e\u7ebf)\u3001<code>groove<\/code>(3D\u7acb\u4f53\u6548\u679c)\u7b49\u3002<\/li>\n\n\n\n<li><code>border-color<\/code>: \u5b9a\u4e49\u5143\u7d20\u7684\u8fb9\u6846\u989c\u8272\u3002<\/li>\n\n\n\n<li><code>border-radius<\/code>: \u5b9a\u4e49\u5143\u7d20\u7684\u8fb9\u6846\u5706\u89d2\uff0c\u53ef\u4ee5\u662f\u5177\u4f53\u6570\u503c\u6216\u767e\u5206\u6bd4\uff0c\u4f8b\u5982<code>border-radius: 10px;<\/code>\u8868\u793a\u8fb9\u6846\u5706\u89d2\u534a\u5f84\u4e3a10\u50cf\u7d20\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>div {\n  border: 1px solid black;\n  border-width: 2px;\n  border-style: dashed;\n \n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u8f6e\u5ed3\uff0c\u5916\u8fb9\u8ddd\uff0c\u586b\u5145\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u7684\u8f6e\u5ed3\uff08outline\uff09\u3001\u5916\u8fb9\u8ddd\uff08margin\uff09\u548c\u586b\u5145\uff08padding\uff09\u662f\u5e38\u7528\u7684\u76d2\u6a21\u578b\u5c5e\u6027\uff0c\u7528\u4e8e\u8c03\u6574\u5143\u7d20\u7684\u8fb9\u754c\u3001\u95f4\u8ddd\u548c\u5185\u90e8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f6e\u5ed3\uff08outline\uff09<\/h3>\n\n\n\n<p>\u8f6e\u5ed3\uff08outline\uff09\u662f\u4e00\u4e2a\u5143\u7d20\u7684\u5916\u90e8\u7ebf\u6761\uff0c\u4e0d\u540c\u4e8e\u8fb9\u6846\uff08border\uff09\uff0c\u8f6e\u5ed3\u4e0d\u5360\u636e\u7a7a\u95f4\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u5143\u7d20\u7684\u5916\u90e8\uff0c\u4e3a\u5143\u7d20\u63d0\u4f9b\u4e00\u4e2a\u66f4\u52a0\u660e\u663e\u7684\u89c6\u89c9\u8fb9\u754c\u3002<\/p>\n\n\n\n<p>\u8f6e\u5ed3\u53ef\u4ee5\u7528\u4ee5\u4e0b\u5c5e\u6027\u8fdb\u884c\u63a7\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>outline-style<\/code>\uff1a\u8f6e\u5ed3\u7ebf\u6761\u7684\u6837\u5f0f\uff08solid\uff0cdotted\uff0cdashed\uff0cdouble\uff0cgroove\uff0cridge\uff0cinset\uff0coutset\uff0cnone\u7b49\uff09<\/li>\n\n\n\n<li><code>outline-color<\/code>\uff1a\u8f6e\u5ed3\u7ebf\u6761\u7684\u989c\u8272<\/li>\n\n\n\n<li><code>outline-width<\/code>\uff1a\u8f6e\u5ed3\u7ebf\u6761\u7684\u5bbd\u5ea6<\/li>\n\n\n\n<li><code>outline-offset<\/code>\uff1a\u8f6e\u5ed3\u7ebf\u6761\u4e0e\u5143\u7d20\u7684\u95f4\u8ddd<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>\/* \u7ea2\u8272\u5b9e\u7ebf\u8f6e\u5ed3 *\/\noutline: 1px solid red;\n\n\/* \u7ea2\u8272\u865a\u7ebf\u8f6e\u5ed3 *\/\noutline: 2px dashed red;\n\n\/* \u84dd\u8272\u53cc\u7ebf\u8f6e\u5ed3\uff0c\u5916\u8fb9\u8ddd\u4e3a10px\uff0c\u8f6e\u5ed3\u4e0e\u5143\u7d20\u4e4b\u95f4\u67095px\u7684\u95f4\u8ddd *\/\noutline: 3px double blue;\noutline-offset: 5px;\nmargin: 10px;\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u8fb9\u8ddd\uff08margin\uff09<\/h3>\n\n\n\n<p>\u5916\u8fb9\u8ddd\uff08margin\uff09\u662f\u5143\u7d20\u548c\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u53ef\u4ee5\u7528\u4e8e\u8c03\u6574\u5143\u7d20\u7684\u5e03\u5c40\u548c\u95f4\u8ddd\u3002\u5916\u8fb9\u8ddd\u6709\u4ee5\u4e0b\u51e0\u4e2a\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>margin-top<\/code>\uff1a\u4e0a\u5916\u8fb9\u8ddd<\/li>\n\n\n\n<li><code>margin-right<\/code>\uff1a\u53f3\u5916\u8fb9\u8ddd<\/li>\n\n\n\n<li><code>margin-bottom<\/code>\uff1a\u4e0b\u5916\u8fb9\u8ddd<\/li>\n\n\n\n<li><code>margin-left<\/code>\uff1a\u5de6\u5916\u8fb9\u8ddd<\/li>\n\n\n\n<li><code>margin<\/code>\uff1a\u4e00\u6b21\u6027\u8bbe\u7f6e\u56db\u4e2a\u65b9\u5411\u7684\u5916\u8fb9\u8ddd<\/li>\n<\/ul>\n\n\n\n<p>\u5916\u8fb9\u8ddd\u53ef\u4ee5\u6709\u8d1f\u503c\uff0c\u8868\u793a\u5c06\u5143\u7d20\u5411\u76f8\u5e94\u65b9\u5411\u79fb\u52a8\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>\/* \u5143\u7d20\u5de6\u79fb10px *\/\nmargin-left: -10px;\n\n\/* \u4e0a\u4e0b\u5916\u8fb9\u8ddd\u90fd\u4e3a20px\uff0c\u5de6\u53f3\u5916\u8fb9\u8ddd\u4e3a\u81ea\u52a8 *\/\nmargin: 20px auto;\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u586b\u5145\uff08padding\uff09<\/h3>\n\n\n\n<p>\u586b\u5145\uff08padding\uff09\u662f\u5143\u7d20\u7684\u5185\u5bb9\u533a\u57df\u548c\u8fb9\u754c\u7684\u8ddd\u79bb\uff0c\u53ef\u4ee5\u7528\u4e8e\u8c03\u6574\u5143\u7d20\u5185\u90e8\u7684\u7a7a\u95f4\u548c\u5e03\u5c40\u3002\u586b\u5145\u6709\u4ee5\u4e0b\u51e0\u4e2a\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>padding-top<\/code>\uff1a\u4e0a\u586b\u5145<\/li>\n\n\n\n<li><code>padding-right<\/code>\uff1a\u53f3\u586b\u5145<\/li>\n\n\n\n<li><code>padding-bottom<\/code>\uff1a\u4e0b\u586b\u5145<\/li>\n\n\n\n<li><code>padding-left<\/code>\uff1a\u5de6\u586b\u5145<\/li>\n\n\n\n<li><code>padding<\/code>\uff1a\u4e00\u6b21\u6027\u8bbe\u7f6e\u56db\u4e2a\u65b9\u5411\u7684\u586b\u5145<\/li>\n<\/ul>\n\n\n\n<p>\u586b\u5145\u4e0d\u80fd\u4e3a\u8d1f\u503c\uff0c\u586b\u5145\u7684\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>\/* \u4e0a\u4e0b\u586b\u5145\u4e3a10px\uff0c\u5de6\u53f3\u586b\u5145\u4e3a20px *\/\npadding: 10px 20px;\n\n\/* \u56db\u4e2a\u65b9\u5411\u7684\u586b\u5145\u90fd\u4e3a10px *\/\npadding: 10px;\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5206\u7ec4\u548c\u5d4c\u5957\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>\u5728 CSS \u4e2d\uff0c\u5206\u7ec4\u548c\u5d4c\u5957\u662f\u4e24\u79cd\u5e38\u7528\u7684\u8bed\u6cd5\uff0c\u5b83\u4eec\u53ef\u4ee5\u8ba9\u4f60\u66f4\u65b9\u4fbf\u5730\u7ec4\u7ec7\u4f60\u7684\u6837\u5f0f\u8868\uff0c\u5e76\u4f7f\u6837\u5f0f\u66f4\u52a0\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5206\u7ec4<\/h2>\n\n\n\n<p>\u5206\u7ec4\u6307\u7684\u662f\u5c06\u591a\u4e2a\u9009\u62e9\u5668\u5206\u7ec4\u5230\u540c\u4e00\u4e2a\u6837\u5f0f\u58f0\u660e\u4e2d\uff0c\u4ee5\u9017\u53f7\u5206\u9694\u3002\u8fd9\u6837\u53ef\u4ee5\u540c\u65f6\u5c06\u591a\u4e2a\u9009\u62e9\u5668\u5e94\u7528\u4e8e\u76f8\u540c\u7684\u6837\u5f0f\u89c4\u5219\uff0c\u4ece\u800c\u907f\u514d\u4e86\u91cd\u590d\u7684\u4ee3\u7801\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>h1, h2, h3 {\n  color: red;\n  font-weight: bold;\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u5c06 h1\u3001h2 \u548c h3 \u5143\u7d20\u7684\u6587\u672c\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272\uff0c\u5e76\u52a0\u7c97\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5d4c\u5957<\/h2>\n\n\n\n<p>CSS \u4e2d\u7684\u5d4c\u5957\u6307\u7684\u662f\u5c06\u4e00\u4e2a\u9009\u62e9\u5668\u5d4c\u5957\u5728\u53e6\u4e00\u4e2a\u9009\u62e9\u5668\u4e2d\u3002\u8fd9\u79cd\u5d4c\u5957\u7ed3\u6784\u53ef\u4ee5\u4f7f CSS \u66f4\u52a0\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.container {\n  width: 960px;\n  margin: 0 auto;\n  \n  .header {\n    background-color: #f5f5f5;\n    height: 100px;\n    text-align: center;\n    \n    h1 {\n      font-size: 2em;\n      line-height: 100px;\n    }\n  }\n  \n  .content {\n    background-color: #fff;\n    padding: 20px;\n    \n    p {\n      font-size: 1.2em;\n      line-height: 1.5;\n    }\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c.container \u9009\u62e9\u5668\u5305\u542b\u4e86\u4e24\u4e2a\u5b50\u5143\u7d20\u9009\u62e9\u5668 .header \u548c .content\uff0c\u800c .header \u9009\u62e9\u5668\u53c8\u5305\u542b\u4e86\u4e00\u4e2a\u5b50\u5143\u7d20\u9009\u62e9\u5668 h1\uff0c.content \u9009\u62e9\u5668\u53c8\u5305\u542b\u4e86\u4e00\u4e2a\u5b50\u5143\u7d20\u9009\u62e9\u5668 p\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u5d4c\u5957\u7ed3\u6784\u53ef\u4ee5\u8ba9\u6837\u5f0f\u8868\u7684\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\u548c\u6613\u4e8e\u9605\u8bfb\uff0c\u7279\u522b\u662f\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u6837\u5f0f\u51b2\u7a81\u548c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u4f46\u662f\u9700\u8981\u6ce8\u610f\uff0c\u5d4c\u5957\u5c42\u6b21\u8fc7\u6df1\u4f1a\u589e\u52a0 CSS \u6587\u4ef6\u7684\u4f53\u79ef\u548c\u6e32\u67d3\u901f\u5ea6\uff0c\u5e94\u5f53\u9002\u5ea6\u4f7f\u7528\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5c3a\u5bf8\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e2d\u5c3a\u5bf8\u662f\u63a7\u5236\u5143\u7d20\u5927\u5c0f\u7684\u91cd\u8981\u5c5e\u6027\uff0c\u5e38\u7528\u7684\u5c3a\u5bf8\u5355\u4f4d\u6709\u50cf\u7d20\uff08px\uff09\u3001\u767e\u5206\u6bd4\uff08%\uff09\u3001\u89c6\u7a97\u5355\u4f4d\uff08vw\u3001vh\uff09\u7b49\u3002\u4ee5\u4e0b\u662f\u5173\u4e8eCSS\u5c3a\u5bf8\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u50cf\u7d20\uff08px\uff09 \u50cf\u7d20\u662fCSS\u4e2d\u6700\u57fa\u672c\u7684\u5c3a\u5bf8\u5355\u4f4d\uff0c\u662f\u8ba1\u7b97\u673a\u663e\u793a\u56fe\u50cf\u7684\u6700\u5c0f\u5355\u4f4d\u3002\u5728CSS\u4e2d\uff0c\u50cf\u7d20\u901a\u5e38\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u5177\u4f53\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>div {\n  width: 200px;\n  height: 100px;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u767e\u5206\u6bd4\uff08%\uff09 \u767e\u5206\u6bd4\u662f\u76f8\u5bf9\u4e8e\u7236\u5143\u7d20\u7684\u5c3a\u5bf8\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u5143\u7d20\u7684\u5bbd\u5ea6\u8bbe\u7f6e\u4e3a50%\uff0c\u5b83\u7684\u5bbd\u5ea6\u5c06\u7b49\u4e8e\u5176\u7236\u5143\u7d20\u5bbd\u5ea6\u7684\u4e00\u534a\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.parent {\n  width: 400px;\n  height: 200px;\n}\n\n.child {\n  width: 50%;\n  height: 50%;\n  background-color: red;\n}\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"parent\"&gt;\n  &lt;div class=\"child\"&gt;&lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u89c6\u7a97\u5355\u4f4d\uff08vw\u3001vh\uff09 \u89c6\u7a97\u5355\u4f4d\u662f\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u5927\u5c0f\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u5927\u5c0f\u3002vw\u5355\u4f4d\u8868\u793a\u76f8\u5bf9\u4e8e\u89c6\u7a97\u5bbd\u5ea6\u7684\u6bd4\u4f8b\uff0cvh\u5355\u4f4d\u8868\u793a\u76f8\u5bf9\u4e8e\u89c6\u7a97\u9ad8\u5ea6\u7684\u6bd4\u4f8b\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>div {\n  width: 50vw;\n  height: 50vh;\n}\n<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u5c31\u662fCSS\u4e2d\u5c3a\u5bf8\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u4e0d\u540c\u7684\u5c3a\u5bf8\u5355\u4f4d\u53ef\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5355\u4f4d\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\u4e0d\u540c\u7684\u5c3a\u5bf8\u5355\u4f4d\uff0c\u4f8b\u5982\u4f7f\u7528\u767e\u5206\u6bd4\u8bbe\u7f6e\u5143\u7d20\u7684\u5bbd\u5ea6\uff0c\u518d\u7528\u50cf\u7d20\u8bbe\u7f6e\u5143\u7d20\u7684\u5185\u8fb9\u8ddd\u7b49\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u663e\u793a\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u7684<code>display<\/code>\u5c5e\u6027\u7528\u4e8e\u5b9a\u4e49\u5143\u7d20\u7684\u663e\u793a\u7c7b\u578b\uff0c\u5e38\u7528\u7684\u503c\u6709\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>block<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u5757\u7ea7\u5143\u7d20\uff0c\u72ec\u5360\u4e00\u884c\u3002\u5bbd\u5ea6\u9ed8\u8ba4\u4e3a\u7236\u5143\u7d20\u7684100%\uff0c\u9ad8\u5ea6\u53d6\u51b3\u4e8e\u5185\u5bb9\u548c\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u901a\u8fc7<code>width<\/code>\u3001<code>height<\/code>\u3001<code>margin<\/code>\u3001<code>padding<\/code>\u7b49\u5c5e\u6027\u8fdb\u884c\u8bbe\u7f6e\u3002<\/li>\n\n\n\n<li><code>inline<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u5185\u8054\u5143\u7d20\uff0c\u5bbd\u5ea6\u9ed8\u8ba4\u7531\u5185\u5bb9\u6491\u5f00\uff0c\u9ad8\u5ea6\u7531\u6587\u672c\u884c\u9ad8\u786e\u5b9a\u3002<code>width<\/code>\u3001<code>height<\/code>\u3001<code>margin-top<\/code>\u3001<code>margin-bottom<\/code>\u3001<code>padding-top<\/code>\u3001<code>padding-bottom<\/code>\u5c5e\u6027\u4e0d\u4f1a\u5f71\u54cd\u5143\u7d20\u3002<\/li>\n\n\n\n<li><code>inline-block<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u5185\u8054\u5757\u7ea7\u5143\u7d20\uff0c\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u5747\u53ef\u6307\u5b9a\uff0c\u4f46\u4e0d\u4f1a\u72ec\u5360\u4e00\u884c\u3002\u5176\u4ed6\u7279\u70b9\u4e0e\u5185\u8054\u5143\u7d20\u76f8\u540c\u3002<\/li>\n\n\n\n<li><code>none<\/code>: \u5c06\u5143\u7d20\u4ece\u9875\u9762\u4e2d\u5220\u9664\uff0c\u4e0d\u5360\u636e\u9875\u9762\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li><code>flex<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u5f39\u6027\u76d2\u5b50\u5bb9\u5668\uff0c\u53ef\u4ee5\u8fdb\u884c\u5f39\u6027\u5e03\u5c40\u3002<\/li>\n\n\n\n<li><code>grid<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u7f51\u683c\u5bb9\u5668\uff0c\u53ef\u4ee5\u8fdb\u884c\u7f51\u683c\u5e03\u5c40\u3002<\/li>\n\n\n\n<li><code>table<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u8868\u683c\uff0c\u53ef\u4ee5\u8fdb\u884c\u8868\u683c\u5e03\u5c40\u3002<\/li>\n\n\n\n<li><code>table-cell<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u8868\u683c\u5355\u5143\u683c\uff0c\u901a\u5e38\u9700\u8981\u5c06\u7236\u5143\u7d20\u8bbe\u7f6e\u4e3a<code>display: table<\/code>\u6216<code>display: table-row<\/code>\u3002<\/li>\n\n\n\n<li><code>table-row<\/code>: \u5c06\u5143\u7d20\u5448\u73b0\u4e3a\u8868\u683c\u884c\uff0c\u901a\u5e38\u9700\u8981\u5c06\u7236\u5143\u7d20\u8bbe\u7f6e\u4e3a<code>display: table<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u5e38\u89c1\u7684\u503c\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u7684<code>display<\/code>\u503c\uff0c\u5982<code>list-item<\/code>\u3001<code>run-in<\/code>\u3001<code>inherit<\/code>\u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u4e86\u89e3\u548c\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>display<\/code>\u5c5e\u6027\u7684\u7075\u6d3b\u8fd0\u7528\uff0c\u6765\u5b9e\u73b0\u5404\u79cd\u4e0d\u540c\u7684\u5e03\u5c40\u65b9\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5b9a\u4f4d\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e2d\u7684\u5b9a\u4f4d\u662f\u6307\u5982\u4f55\u5b9a\u4f4d\u548c\u6446\u653eHTML\u5143\u7d20\u3002\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e09\u79cd\u5b9a\u4f4d\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9759\u6001\u5b9a\u4f4d\uff08position: static\uff09 \u9759\u6001\u5b9a\u4f4d\u662f\u6240\u6709HTML\u5143\u7d20\u7684\u9ed8\u8ba4\u5b9a\u4f4d\u65b9\u5f0f\u3002\u5728\u9759\u6001\u5b9a\u4f4d\u4e0b\uff0c\u5143\u7d20\u6309\u7167\u6b63\u5e38\u6587\u6863\u6d41\u6392\u5217\uff0c\u5e76\u5ffd\u7565top\u3001bottom\u3001left\u3001right\u548cz-index\u5c5e\u6027\u3002<\/li>\n\n\n\n<li>\u76f8\u5bf9\u5b9a\u4f4d\uff08position: relative\uff09 \u76f8\u5bf9\u5b9a\u4f4d\u662f\u76f8\u5bf9\u4e8e\u5143\u7d20\u81ea\u8eab\u539f\u6765\u6240\u5728\u7684\u4f4d\u7f6e\u8fdb\u884c\u79fb\u52a8\u3002\u5728\u76f8\u5bf9\u5b9a\u4f4d\u4e0b\uff0c\u5143\u7d20\u7684\u4f4d\u7f6e\u901a\u8fc7top\u3001bottom\u3001left\u3001right\u5c5e\u6027\u76f8\u5bf9\u4e8e\u5b83\u539f\u6765\u6240\u5728\u7684\u4f4d\u7f6e\u6765\u8ba1\u7b97\u3002\u76f8\u5bf9\u5b9a\u4f4d\u4e0d\u4f1a\u6539\u53d8\u6587\u6863\u6d41\uff0c\u5176\u4ed6\u5143\u7d20\u7684\u4f4d\u7f6e\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u7edd\u5bf9\u5b9a\u4f4d\uff08position: absolute\uff09 \u7edd\u5bf9\u5b9a\u4f4d\u662f\u76f8\u5bf9\u4e8e\u7236\u5143\u7d20\u8fdb\u884c\u5b9a\u4f4d\u7684\u3002\u5728\u7edd\u5bf9\u5b9a\u4f4d\u4e0b\uff0c\u5143\u7d20\u4f1a\u4ece\u6587\u6863\u6d41\u4e2d\u5220\u9664\uff0c\u4e0d\u4f1a\u5bf9\u5176\u4ed6\u5143\u7d20\u4ea7\u751f\u5f71\u54cd\u3002\u901a\u8fc7\u8bbe\u7f6etop\u3001bottom\u3001left\u3001right\u5c5e\u6027\u6765\u786e\u5b9a\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u7236\u5143\u7d20\u7684position\u5c5e\u6027\uff0c\u5219\u7edd\u5bf9\u5b9a\u4f4d\u76f8\u5bf9\u4e8ebody\u5143\u7d20\u8fdb\u884c\u5b9a\u4f4d\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6b64\u5916\u8fd8\u6709\u4e00\u79cd\u7279\u6b8a\u7684\u5b9a\u4f4d\u65b9\u5f0f\u2014\u2014\u56fa\u5b9a\u5b9a\u4f4d\uff08position: fixed\uff09\uff0c\u5b83\u662f\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u8fdb\u884c\u5b9a\u4f4d\u7684\uff0c\u5143\u7d20\u4e0d\u4f1a\u968f\u7740\u6eda\u52a8\u6761\u6eda\u52a8\u800c\u79fb\u52a8\u3002\u56fa\u5b9a\u5b9a\u4f4d\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6etop\u3001bottom\u3001left\u3001right\u5c5e\u6027\u6765\u786e\u5b9a\u5143\u7d20\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0cCSS\u4e2d\u7684\u5b9a\u4f4d\u5c5e\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7cbe\u786e\u5730\u5b9a\u4f4d\u548c\u6446\u653eHTML\u5143\u7d20\uff0c\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u9875\u9762\u5e03\u5c40\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684Overflow\u548cFloat\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e2d\u7684overflow\u548cfloat\u5c5e\u6027\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u548c\u6d6e\u52a8\u7684\u5e03\u5c40\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>overflow<\/li>\n<\/ol>\n\n\n\n<p>\u5f53\u5143\u7d20\u5185\u5bb9\u8d85\u8fc7\u5bb9\u5668\u5927\u5c0f\u65f6\uff0c\u4f1a\u51fa\u73b0\u6eda\u52a8\u6761\uff0c\u800coverflow\u5c5e\u6027\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u5982\u4f55\u5904\u7406\u5185\u5bb9\u6ea2\u51fa\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>overflow: visible\uff1a\u9ed8\u8ba4\u503c\uff0c\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u5bb9\u5668\u65f6\u4f1a\u88ab\u6e32\u67d3\u5230\u5bb9\u5668\u5916\u9762\uff1b<\/li>\n\n\n\n<li>overflow: hidden\uff1a\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u5bb9\u5668\u65f6\u4f1a\u88ab\u88c1\u526a\uff0c\u4e0d\u663e\u793a\u6ea2\u51fa\u5185\u5bb9\uff1b<\/li>\n\n\n\n<li>overflow: scroll\uff1a\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u5bb9\u5668\u65f6\u4f1a\u51fa\u73b0\u6eda\u52a8\u6761\uff0c\u53ef\u4ee5\u6eda\u52a8\u67e5\u770b\u6ea2\u51fa\u5185\u5bb9\uff1b<\/li>\n\n\n\n<li>overflow: auto\uff1a\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u5bb9\u5668\u65f6\u4f1a\u51fa\u73b0\u6eda\u52a8\u6761\uff0c\u53ea\u5728\u9700\u8981\u6eda\u52a8\u65f6\u51fa\u73b0\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>float<\/li>\n<\/ol>\n\n\n\n<p>float\u5c5e\u6027\u53ef\u4ee5\u4f7f\u5143\u7d20\u8131\u79bb\u6b63\u5e38\u7684\u6587\u6863\u6d41\uff0c\u5e76\u6d6e\u52a8\u5728\u5176\u7236\u5143\u7d20\u4e2d\u7684\u7279\u5b9a\u4f4d\u7f6e\u3002\u5e38\u7528\u4e8e\u5b9e\u73b0\u6587\u5b57\u73af\u7ed5\u56fe\u7247\u3001\u5b9e\u73b0\u591a\u5217\u5e03\u5c40\u7b49\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>float: left\uff1a\u5143\u7d20\u5411\u5de6\u6d6e\u52a8\uff0c\u9760\u5de6\u4fa7\u4e0e\u5176\u4ed6\u5de6\u6d6e\u52a8\u5143\u7d20\u5bf9\u9f50\uff1b<\/li>\n\n\n\n<li>float: right\uff1a\u5143\u7d20\u5411\u53f3\u6d6e\u52a8\uff0c\u9760\u53f3\u4fa7\u4e0e\u5176\u4ed6\u53f3\u6d6e\u52a8\u5143\u7d20\u5bf9\u9f50\uff1b<\/li>\n\n\n\n<li>float: none\uff1a\u9ed8\u8ba4\u503c\uff0c\u5143\u7d20\u4e0d\u6d6e\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\uff1afloat\u5c5e\u6027\u4f1a\u5bf9\u5143\u7d20\u7684\u5c3a\u5bf8\u548c\u5b9a\u4f4d\u4ea7\u751f\u5f71\u54cd\uff0c\u56e0\u6b64\u4f7f\u7528float\u5e03\u5c40\u65f6\u9700\u8981\u6ce8\u610f\u7236\u5143\u7d20\u548c\u5144\u5f1f\u5143\u7d20\u7684\u5c3a\u5bf8\u548c\u4f4d\u7f6e\u5173\u7cfb\uff0c\u4ee5\u53ca\u6e05\u9664\u6d6e\u52a8\u4ea7\u751f\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u5bf9\u9f50\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e2d\u7684\u5bf9\u9f50\uff08Alignment\uff09\u6307\u7684\u662f\u5982\u4f55\u5c06\u5143\u7d20\u5728\u9875\u9762\u4e2d\u76f8\u5bf9\u4e8e\u5176\u4ed6\u5143\u7d20\u6216\u9875\u9762\u8fb9\u7f18\u8fdb\u884c\u4f4d\u7f6e\u8c03\u6574\u3002\u5e38\u89c1\u7684\u5bf9\u9f50\u5305\u62ec\u6c34\u5e73\u5bf9\u9f50\u548c\u5782\u76f4\u5bf9\u9f50\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684CSS\u5bf9\u9f50\u5c5e\u6027\u548c\u7528\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6c34\u5e73\u5bf9\u9f50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>text-align\u5c5e\u6027\uff1a\u7528\u4e8e\u6c34\u5e73\u5bf9\u9f50\u6587\u672c\u3002\u53ef\u9009\u503c\u5305\u62ecleft\u3001right\u3001center\u548cjustify\u3002<\/li>\n\n\n\n<li>margin\u5c5e\u6027\uff1a\u7528\u4e8e\u6c34\u5e73\u5bf9\u9f50\u5757\u7ea7\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528auto\u503c\u5c06\u5143\u7d20\u5c45\u4e2d\u5bf9\u9f50\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5782\u76f4\u5bf9\u9f50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vertical-align\u5c5e\u6027\uff1a\u7528\u4e8e\u5782\u76f4\u5bf9\u9f50\u884c\u5185\u5143\u7d20\u6216\u8868\u683c\u5355\u5143\u683c\u4e2d\u7684\u5185\u5bb9\u3002\u53ef\u9009\u503c\u5305\u62ectop\u3001middle\u3001bottom\u548cbaseline\u7b49\u3002<\/li>\n\n\n\n<li>line-height\u5c5e\u6027\uff1a\u901a\u8fc7\u8bbe\u7f6e\u884c\u9ad8\u6765\u5bf9\u9f50\u5757\u7ea7\u5143\u7d20\u4e2d\u7684\u6587\u672c\u3002<\/li>\n\n\n\n<li>display:flex\u5c5e\u6027\uff1a\u901a\u8fc7Flexbox\u5e03\u5c40\u6765\u5bf9\u9f50\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528align-items\u548cjustify-content\u5c5e\u6027\u6765\u63a7\u5236\u5143\u7d20\u7684\u5782\u76f4\u548c\u6c34\u5e73\u5bf9\u9f50\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u662fCSS\u4e2d\u4e00\u4e9b\u5e38\u89c1\u7684\u5bf9\u9f50\u5c5e\u6027\u548c\u7528\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u9002\u5f53\u7684\u5c5e\u6027\u6765\u5b9e\u73b0\u5bf9\u9f50\u6548\u679c\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u7ec4\u5408\u9009\u62e9\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u7684\u7ec4\u5408\u9009\u62e9\u5668\u5141\u8bb8\u60a8\u6839\u636e\u5143\u7d20\u7684\u591a\u4e2a\u5c5e\u6027\u9009\u62e9\u5143\u7d20\u3002\u7ec4\u5408\u9009\u62e9\u5668\u662f\u5c06\u591a\u4e2a\u9009\u62e9\u5668\u7ec4\u5408\u5728\u4e00\u8d77\u4ee5\u4fbf\u66f4\u7cbe\u786e\u5730\u9009\u4e2d\u5143\u7d20\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662fCSS\u4e2d\u5e38\u89c1\u7684\u7ec4\u5408\u9009\u62e9\u5668\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u540e\u4ee3\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u540e\u4ee3\u9009\u62e9\u5668\u5141\u8bb8\u60a8\u9009\u62e9\u5177\u6709\u7279\u5b9a\u7956\u5148\u7684\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u7a7a\u683c\u6765\u5206\u9694\u5143\u7d20\u7684\u7956\u5148\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684CSS\u4ee3\u7801\u4f1a\u9009\u62e9\u6240\u6709<code>&lt;p&gt;<\/code>\u5143\u7d20\u7684\u540e\u4ee3\u4e2d\u5e26\u6709<code>.example<\/code>\u7c7b\u7684\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>p .example {\n  \/* styles here *\/\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5b50\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u5b50\u9009\u62e9\u5668\u9009\u62e9\u4e00\u4e2a\u5143\u7d20\u7684\u76f4\u63a5\u5b50\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u5927\u4e8e\u53f7(<code>&gt;<\/code>)\u5206\u9694\u5143\u7d20\u548c\u5b50\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684CSS\u4ee3\u7801\u4f1a\u9009\u62e9\u6240\u6709\u76f4\u63a5\u5b50\u5143\u7d20\u4e3a<code>&lt;li&gt;<\/code>\u7684<code>&lt;ul&gt;<\/code>\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>ul &gt; li {\n  \/* styles here *\/\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668\u9009\u62e9\u7d27\u63a5\u5728\u6307\u5b9a\u5143\u7d20\u540e\u7684\u540c\u7ea7\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u52a0\u53f7(<code>+<\/code>)\u5206\u9694\u5143\u7d20\u548c\u5176\u540e\u9762\u7684\u5144\u5f1f\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684CSS\u4ee3\u7801\u4f1a\u9009\u62e9\u6240\u6709<code>&lt;h2&gt;<\/code>\u5143\u7d20\u4e4b\u540e\u7684\u7b2c\u4e00\u4e2a<code>&lt;p&gt;<\/code>\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>h2 + p {\n  \/* styles here *\/\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u901a\u7528\u5144\u5f1f\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u901a\u7528\u5144\u5f1f\u9009\u62e9\u5668\u9009\u62e9\u6307\u5b9a\u5143\u7d20\u540e\u7684\u6240\u6709\u540c\u7ea7\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u6ce2\u6d6a\u53f7(<code>~<\/code>)\u5206\u9694\u5143\u7d20\u548c\u5176\u540e\u9762\u7684\u5144\u5f1f\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684CSS\u4ee3\u7801\u4f1a\u9009\u62e9\u6240\u6709<code>&lt;h2&gt;<\/code>\u5143\u7d20\u540e\u9762\u7684\u6240\u6709<code>&lt;p&gt;<\/code>\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>h2 ~ p {\n  \/* styles here *\/\n}\n<\/code><\/pre>\n\n\n\n<p>\u7ec4\u5408\u9009\u62e9\u5668\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u6709\u6548\u5730\u9009\u62e9\u8981\u5e94\u7528\u6837\u5f0f\u7684\u5143\u7d20\uff0c\u5e76\u4e14\u80fd\u591f\u66f4\u597d\u5730\u7ba1\u7406\u4ee3\u7801\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u4f2a\u7c7b<\/p>\n\n\n\n<p>CSS\u4e2d\u7684\u4f2a\u7c7b\u662f\u7528\u4e8e\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u9009\u62e9\u5143\u7d20\u7684\u9009\u62e9\u5668\uff0c\u5b83\u4eec\u5141\u8bb8\u6839\u636e\u5143\u7d20\u5728\u7279\u5b9a\u72b6\u6001\u6216\u4f4d\u7f6e\u65f6\u7684\u6837\u5f0f\u66f4\u6539\u5143\u7d20\u7684\u5916\u89c2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f2a\u7c7b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>:hover\uff1a\u5f53\u7528\u6237\u5c06\u9f20\u6807\u60ac\u505c\u5728\u5143\u7d20\u4e0a\u65f6\uff0c\u5e94\u7528\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:active\uff1a\u5f53\u7528\u6237\u6fc0\u6d3b\uff08\u70b9\u51fb\uff09\u5143\u7d20\u65f6\uff0c\u5e94\u7528\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:focus\uff1a\u5f53\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\uff0c\u5e94\u7528\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:visited\uff1a\u9009\u62e9\u5df2\u8bbf\u95ee\u94fe\u63a5\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:nth-child(n)\uff1a\u9009\u62e9\u6307\u5b9a\u7236\u5143\u7d20\u4e0b\u7684\u7b2cn\u4e2a\u5b50\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:nth-of-type(n)\uff1a\u9009\u62e9\u6307\u5b9a\u7c7b\u578b\u7684\u7b2cn\u4e2a\u5b50\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:first-child\uff1a\u9009\u62e9\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:last-child\uff1a\u9009\u62e9\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n<li>:not(selector)\uff1a\u9009\u62e9\u4e0d\u5339\u914d\u6307\u5b9a\u9009\u62e9\u5668\u7684\u5143\u7d20\u3002<\/li>\n\n\n\n<li>:checked\uff1a\u9009\u62e9\u5df2\u9009\u4e2d\u7684\u8f93\u5165\u5143\u7d20\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e9b\u4f2a\u7c7b\u53ef\u4ee5\u4e0e\u5176\u4ed6\u9009\u62e9\u5668\u7ec4\u5408\u4f7f\u7528\u6765\u66f4\u5177\u4f53\u5730\u9009\u62e9\u8981\u5e94\u7528\u6837\u5f0f\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528<code>:hover<\/code>\u4f2a\u7c7b\u9009\u62e9\u6240\u6709\u9f20\u6807\u60ac\u505c\u5728\u5176\u4e0a\u7684\u94fe\u63a5\uff0c\u5e76\u66f4\u6539\u5b83\u4eec\u7684\u6587\u672c\u989c\u8272\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u4ecb\u7ecdCSS\u7684\u4f2a\u5143\u7d20\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS \u4f2a\u5143\u7d20 (pseudo-elements) \u662f\u7528\u6765\u7ed9\u67d0\u4e2a\u5143\u7d20\u7684\u7279\u5b9a\u90e8\u5206\u8bbe\u7f6e\u6837\u5f0f\u7684\u3002<\/p>\n\n\n\n<p>\u4f2a\u5143\u7d20\u7684\u8bed\u6cd5\u662f\u53cc\u5192\u53f7(::)\u52a0\u4e0a\u4f2a\u5143\u7d20\u540d\u79f0\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>selector::pseudo-element {\n  property: value;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5e38\u7528\u7684\u4f2a\u5143\u7d20\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>::before<\/code> &#8211; \u5728\u5143\u7d20\u5185\u5bb9\u4e4b\u524d\u63d2\u5165\u5185\u5bb9<\/li>\n\n\n\n<li><code>::after<\/code> &#8211; \u5728\u5143\u7d20\u5185\u5bb9\u4e4b\u540e\u63d2\u5165\u5185\u5bb9<\/li>\n\n\n\n<li><code>::first-letter<\/code> &#8211; \u9009\u62e9\u5143\u7d20\u5185\u5bb9\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd<\/li>\n\n\n\n<li><code>::first-line<\/code> &#8211; \u9009\u62e9\u5143\u7d20\u5185\u5bb9\u7684\u7b2c\u4e00\u884c<\/li>\n\n\n\n<li><code>::selection<\/code> &#8211; \u9009\u62e9\u88ab\u7528\u6237\u9009\u4e2d\u7684\u6587\u672c<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>::before<\/code> \u4f2a\u5143\u7d20\u5728\u4e00\u4e2a\u5143\u7d20\u524d\u63d2\u5165\u4e00\u4e2a\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>p::before {\n  content: \"&gt;&gt;\";\n  font-weight: bold;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>::before<\/code> \u4f2a\u5143\u7d20\u88ab\u5e94\u7528\u4e8e <code>p<\/code> \u5143\u7d20\uff0c\u5185\u5bb9\u4e3a <code>&gt;&gt;<\/code>\uff0c\u5b57\u4f53\u52a0\u7c97\u3002<\/p>\n\n\n\n<p>\u540c\u6837\u5730\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>::after<\/code> \u4f2a\u5143\u7d20\u5728\u5143\u7d20\u5185\u5bb9\u4e4b\u540e\u63d2\u5165\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4ee5\u4e0a\u5e38\u7528\u7684\u4f2a\u5143\u7d20\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u7684\u4f2a\u5143\u7d20\uff0c\u5982 <code>::marker<\/code>\u3001<code>::backdrop<\/code>\u3001<code>::placeholder<\/code> \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4f7f\u7528\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u5bfc\u822a\u680f\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u5bfc\u822a\u680f\u662f\u7f51\u7ad9\u4e2d\u5e38\u7528\u7684\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u901a\u5e38\u7528\u4e8e\u5c55\u793a\u7f51\u7ad9\u7684\u4e3b\u8981\u9875\u9762\u548c\u529f\u80fd\u94fe\u63a5\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684CSS\u5bfc\u822a\u680f\u6280\u5de7\u548c\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528HTML\u548cCSS\u6784\u5efa\u5bfc\u822a\u680f\u7ed3\u6784\uff1a\u5bfc\u822a\u680f\u901a\u5e38\u7531\u4e00\u4e2a\u65e0\u5e8f\u5217\u8868\u548c\u82e5\u5e72\u4e2a\u5217\u8868\u9879\u7ec4\u6210\uff0c\u4f7f\u7528HTML\u8bed\u8a00\u7ed3\u6784\u5316\u9875\u9762\u5185\u5bb9\uff0cCSS\u6765\u5b9a\u4e49\u6837\u5f0f\u548c\u5e03\u5c40\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528Flexbox\u6216Grid\u5e03\u5c40\uff1aFlexbox\u548cGrid\u5e03\u5c40\u53ef\u4ee5\u5feb\u901f\u548c\u7075\u6d3b\u5730\u5e03\u5c40\u5bfc\u822a\u680f\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\u3002\u4f7f\u7528Flexbox\u53ef\u4ee5\u4f7f\u5f97\u5bfc\u822a\u680f\u4e2d\u7684\u5143\u7d20\u5728\u6c34\u5e73\u6216\u5782\u76f4\u65b9\u5411\u4e0a\u81ea\u9002\u5e94\u6392\u5217\uff0c\u800c\u4f7f\u7528Grid\u5e03\u5c40\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u5bfc\u822a\u680f\u4e2d\u5404\u4e2a\u5143\u7d20\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u4f2a\u7c7b\u548c\u4f2a\u5143\u7d20\uff1aCSS\u7684\u4f2a\u7c7b\u548c\u4f2a\u5143\u7d20\u53ef\u4ee5\u5b9e\u73b0\u5bfc\u822a\u680f\u4e2d\u7684\u9f20\u6807\u60ac\u505c\u6548\u679c\u3001\u9009\u4e2d\u72b6\u6001\u3001\u4e0b\u62c9\u83dc\u5355\u7b49\u4ea4\u4e92\u6548\u679c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528:hover\u4f2a\u7c7b\u6765\u5b9a\u4e49\u9f20\u6807\u60ac\u505c\u65f6\u7684\u6837\u5f0f\uff0c\u4f7f\u7528::before\u4f2a\u5143\u7d20\u6765\u6dfb\u52a0\u4e0b\u62c9\u7bad\u5934\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u900f\u660e\u5ea6\u548c\u8fc7\u6e21\u6548\u679c\uff1a\u901a\u8fc7\u900f\u660e\u5ea6\u548c\u8fc7\u6e21\u6548\u679c\uff0c\u53ef\u4ee5\u4f7f\u5f97\u5bfc\u822a\u680f\u4e2d\u7684\u5143\u7d20\u5728\u9f20\u6807\u60ac\u505c\u6216\u70b9\u51fb\u65f6\u4ea7\u751f\u5e73\u6ed1\u7684\u8fc7\u6e21\u6548\u679c\uff0c\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n<li>\u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff1a\u968f\u7740\u79fb\u52a8\u8bbe\u5907\u7684\u666e\u53ca\uff0c\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u5df2\u6210\u4e3a\u73b0\u4ee3\u7f51\u7ad9\u7684\u6807\u914d\u4e4b\u4e00\u3002\u5728\u5bfc\u822a\u680f\u7684\u8bbe\u8ba1\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5a92\u4f53\u67e5\u8be2\u548c\u5176\u4ed6CSS\u6280\u5de7\u6765\u5b9e\u73b0\u5bfc\u822a\u680f\u7684\u54cd\u5e94\u5f0f\u5e03\u5c40\u548c\u6837\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f7f\u7528HTML\u548cCSS\u6784\u5efa\u5bfc\u822a\u680f\u53ef\u4ee5\u4f7f\u5f97\u7f51\u7ad9\u66f4\u52a0\u6613\u4e8e\u4f7f\u7528\u548c\u5bfc\u822a\uff0c\u540c\u65f6\uff0c\u7075\u6d3b\u8fd0\u7528CSS\u6280\u5de7\u548c\u6837\u5f0f\u53ef\u4ee5\u4f7f\u5f97\u5bfc\u822a\u680f\u66f4\u52a0\u7f8e\u89c2\u548c\u4ea4\u4e92\u53cb\u597d\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u4e0b\u62c9\u83dc\u5355\u7684\u7528\u6cd5<\/p>\n\n\n\n<p>CSS\u4e0b\u62c9\u83dc\u5355\u53ef\u4ee5\u8ba9\u7528\u6237\u5728\u9700\u8981\u65f6\u5c55\u5f00\u9690\u85cf\u7684\u83dc\u5355\u9009\u9879\u3002\u4e0b\u62c9\u83dc\u5355\u662fWeb\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u7528\u6237\u754c\u9762\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u53ef\u4ee5\u7528\u4e8e\u7f51\u7ad9\u7684\u5bfc\u822a\u680f\u3001\u8868\u5355\u9009\u62e9\u5668\u3001\u8bbe\u7f6e\u9009\u9879\u7b49\u573a\u666f\u3002\u4e0b\u9762\u662f\u4e00\u4e9bCSS\u4e0b\u62c9\u83dc\u5355\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528CSS\u4f2a\u7c7b\u548c\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528CSS\u4f2a\u7c7b:hover\u548c\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668+\u6765\u5b9e\u73b0\u4e0b\u62c9\u83dc\u5355\u3002\u5f53\u9f20\u6807\u60ac\u505c\u5728\u83dc\u5355\u9009\u9879\u4e0a\u65f6\uff0c\u76f8\u90bb\u7684\u4e0b\u62c9\u83dc\u5355\u9879\u5c31\u4f1a\u663e\u793a\u51fa\u6765\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u5f53\u9f20\u6807\u79bb\u5f00\u83dc\u5355\u9879\u65f6\uff0c\u4e0b\u62c9\u83dc\u5355\u5c31\u4f1a\u6d88\u5931\uff0c\u5982\u679c\u9700\u8981\u957f\u65f6\u95f4\u6d4f\u89c8\u4e0b\u62c9\u83dc\u5355\uff0c\u5c31\u9700\u8981\u4e0d\u505c\u5730\u60ac\u505c\u5728\u83dc\u5355\u4e0a\u3002<\/p>\n\n\n\n<p>HTML\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;nav&gt;\n  &lt;ul&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Home&lt;\/a&gt;&lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Products&lt;\/a&gt;\n      &lt;ul&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 1&lt;\/a&gt;&lt;\/li&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 2&lt;\/a&gt;&lt;\/li&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 3&lt;\/a&gt;&lt;\/li&gt;\n      &lt;\/ul&gt;\n    &lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;About Us&lt;\/a&gt;&lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Contact Us&lt;\/a&gt;&lt;\/li&gt;\n  &lt;\/ul&gt;\n&lt;\/nav&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u6837\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>nav ul {\n  list-style: none;\n  margin: 0;\n  padding: 0;\n  background-color: #f2f2f2;\n}\n\nnav ul li {\n  display: inline-block;\n}\n\nnav ul li a {\n  display: block;\n  padding: 10px;\n  color: #333;\n  text-decoration: none;\n}\n\nnav ul li:hover ul {\n  display: block;\n}\n\nnav ul ul {\n  display: none;\n  position: absolute;\n  top: 100%;\n  left: 0;\n  background-color: #f2f2f2;\n  min-width: 160px;\n}\n\nnav ul ul li {\n  display: block;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4f7f\u7528CSS\u4f2a\u7c7b\u548c\u5d4c\u5957\u9009\u62e9\u5668<\/li>\n<\/ol>\n\n\n\n<p>\u4f7f\u7528CSS\u4f2a\u7c7b:hover\u548c\u5d4c\u5957\u9009\u62e9\u5668\u6765\u5b9e\u73b0\u4e0b\u62c9\u83dc\u5355\u3002\u5f53\u9f20\u6807\u60ac\u505c\u5728\u83dc\u5355\u9009\u9879\u4e0a\u65f6\uff0c\u4e0b\u62c9\u83dc\u5355\u5c31\u4f1a\u663e\u793a\u51fa\u6765\u3002\u4e0e\u7b2c\u4e00\u79cd\u65b9\u5f0f\u76f8\u6bd4\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u8ba9\u4e0b\u62c9\u83dc\u5355\u4e00\u76f4\u4fdd\u6301\u663e\u793a\uff0c\u76f4\u5230\u9f20\u6807\u79fb\u5f00\u83dc\u5355\u3002<\/p>\n\n\n\n<p>HTML\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;nav&gt;\n  &lt;ul&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Home&lt;\/a&gt;&lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Products&lt;\/a&gt;\n      &lt;ul&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 1&lt;\/a&gt;&lt;\/li&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 2&lt;\/a&gt;&lt;\/li&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;Product 3&lt;\/a&gt;&lt;\/li&gt;\n      &lt;\/ul&gt;\n    &lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;About Us&lt;\/a&gt;&lt;\/li&gt;\n    &lt;li&gt;&lt;a href=\"#\"&gt;Contact Us&lt;\/a&gt;&lt;\/li&gt;\n  &lt;\/ul&gt;\n&lt;\/nav&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u6837\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>nav ul {\n  list-style: none;\n  margin: 0;\n  padding: 0;\n \n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u63d0\u793a\u5de5\u5177<\/p>\n\n\n\n<p>CSS\u63d0\u793a\u5de5\u5177\uff0c\u4e5f\u79f0\u4e3a\u5de5\u5177\u63d0\u793a\u6216\u63d0\u793a\u6846\uff0c\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7528\u6237\u754c\u9762\u7ec4\u4ef6\uff0c\u5b83\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u4fe1\u606f\u6216\u8bf4\u660e\uff0c\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>CSS\u63d0\u793a\u5de5\u5177\u901a\u5e38\u901a\u8fc7\u9f20\u6807\u60ac\u505c\u6216\u70b9\u51fb\u6765\u89e6\u53d1\uff0c\u5b83\u4eec\u53ef\u4ee5\u5305\u542b\u6587\u672c\u3001\u56fe\u6807\u3001\u56fe\u7247\u3001\u751a\u81f3\u5176\u4ed6HTML\u5143\u7d20\u3002\u5728CSS\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4f2a\u5143\u7d20\u548cCSS\u5c5e\u6027\u6765\u521b\u5efa\u8fd9\u4e9b\u63d0\u793a\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u7528\u4e8e\u521b\u5efaCSS\u63d0\u793a\u5de5\u5177\u7684\u5e38\u7528\u5c5e\u6027\u548c\u4f2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>content\uff1a\u7528\u4e8e\u8bbe\u7f6e\u4f2a\u5143\u7d20\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u5c06\u63d0\u793a\u6587\u672c\u6216\u5176\u4ed6HTML\u5143\u7d20\u4f5c\u4e3a\u503c\u3002<\/li>\n\n\n\n<li>position\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u7684\u4f4d\u7f6e\uff0c\u5305\u62ecrelative\u3001absolute\u3001fixed\u7b49\u3002<\/li>\n\n\n\n<li>display\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u7684\u663e\u793a\u65b9\u5f0f\uff0c\u5982none\u3001block\u3001inline\u7b49\u3002<\/li>\n\n\n\n<li>z-index\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u7684\u5c42\u53e0\u987a\u5e8f\uff0c\u4f7f\u5176\u59cb\u7ec8\u5728\u5176\u4ed6\u5143\u7d20\u4e4b\u4e0a\u3002<\/li>\n\n\n\n<li>background-color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u7684\u80cc\u666f\u989c\u8272\u3002<\/li>\n\n\n\n<li>color\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u6587\u672c\u7684\u989c\u8272\u3002<\/li>\n\n\n\n<li>border\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u7684\u8fb9\u6846\u6837\u5f0f\u548c\u5bbd\u5ea6\u3002<\/li>\n\n\n\n<li>border-radius\uff1a\u7528\u4e8e\u8bbe\u7f6e\u63d0\u793a\u5de5\u5177\u8fb9\u6846\u7684\u5706\u89d2\u534a\u5f84\u3002<\/li>\n\n\n\n<li>:hover\u4f2a\u7c7b\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5f53\u9f20\u6807\u60ac\u505c\u5728\u5143\u7d20\u4e0a\u65f6\u663e\u793a\u63d0\u793a\u5de5\u5177\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528CSS\u521b\u5efa\u63d0\u793a\u5de5\u5177\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<p>HTML:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;button class=\"tooltip\"&gt;Hover Me&lt;\/button&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.tooltip {\n  position: relative;\n  display: inline-block;\n}\n\n.tooltip::before {\n  content: \"\";\n  display: none;\n  position: absolute;\n  z-index: 1;\n  width: 100px;\n  height: 30px;\n  top: -40px;\n  left: 50%;\n  margin-left: -50px;\n  border-radius: 6px;\n  background-color: #555;\n  color: #fff;\n  text-align: center;\n  line-height: 30px;\n}\n\n.tooltip:hover::before {\n  display: block;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5c06button\u5143\u7d20\u7684position\u5c5e\u6027\u8bbe\u7f6e\u4e3arelative\uff0c\u4ee5\u4fbf\u6211\u4eec\u53ef\u4ee5\u76f8\u5bf9\u4e8e\u5b83\u6765\u5b9a\u4f4d\u4f2a\u5143\u7d20\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528::before\u4f2a\u5143\u7d20\u521b\u5efa\u63d0\u793a\u5de5\u5177\uff0c\u4f7f\u7528content\u5c5e\u6027\u8bbe\u7f6e\u63d0\u793a\u6587\u672c\uff0c\u4f7f\u7528position\u5c5e\u6027\u8bbe\u7f6e\u7edd\u5bf9\u4f4d\u7f6e\uff0c\u5e76\u8bbe\u7f6ez-index\u5c5e\u6027\u786e\u4fdd\u5b83\u5728\u5176\u4ed6\u5143\u7d20\u4e4b\u4e0a\u3002\u5f53\u9f20\u6807\u60ac\u505c\u5728\u6309\u94ae\u4e0a\u65f6\uff0c\u6211\u4eec\u4f7f\u7528:hover\u4f2a\u7c7b\u6765\u663e\u793a\u63d0\u793a\u5de5\u5177\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u56fe\u7247\u5eca<\/p>\n\n\n\n<p>CSS\u56fe\u7247\u5eca\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u9875\u8bbe\u8ba1\u5143\u7d20\uff0c\u53ef\u4ee5\u7528\u4e8e\u5c55\u793a\u56fe\u7247\u96c6\u5408\u3002\u901a\u5e38\u5305\u542b\u7f29\u7565\u56fe\u3001\u653e\u5927\u9884\u89c8\u56fe\u3001\u5de6\u53f3\u7bad\u5934\u5207\u6362\u4ee5\u53ca\u56fe\u7247\u6807\u9898\u7b49\u7ec4\u4ef6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u672c\u7684CSS\u56fe\u7247\u5eca\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<p>HTML\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"gallery\"&gt;\n  &lt;div class=\"thumbnails\"&gt;\n    &lt;img src=\"img1-thumb.jpg\" data-large=\"img1-large.jpg\" alt=\"Image 1\"&gt;\n    &lt;img src=\"img2-thumb.jpg\" data-large=\"img2-large.jpg\" alt=\"Image 2\"&gt;\n    &lt;img src=\"img3-thumb.jpg\" data-large=\"img3-large.jpg\" alt=\"Image 3\"&gt;\n  &lt;\/div&gt;\n  &lt;div class=\"preview\"&gt;\n    &lt;img src=\"img1-large.jpg\" alt=\"Image 1\"&gt;\n    &lt;h2&gt;Image 1 Title&lt;\/h2&gt;\n  &lt;\/div&gt;\n  &lt;a class=\"prev\" href=\"#\"&gt;&lt;\/a&gt;\n  &lt;a class=\"next\" href=\"#\"&gt;&lt;\/a&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<p>CSS\u6837\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>\/* Gallery Container *\/\n.gallery {\n  width: 100%;\n  max-width: 800px;\n  margin: 0 auto;\n  position: relative;\n  overflow: hidden;\n}\n\n\/* Thumbnail Container *\/\n.thumbnails {\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  margin: 20px 0;\n}\n\n\/* Thumbnail Images *\/\n.thumbnails img {\n  max-width: 100%;\n  height: auto;\n  margin: 0 10px;\n  cursor: pointer;\n  transition: all 0.3s ease-in-out;\n}\n\n\/* Preview Image and Title *\/\n.preview {\n  position: relative;\n  text-align: center;\n}\n\n.preview img {\n  max-width: 100%;\n  height: auto;\n  margin-bottom: 20px;\n}\n\n.preview h2 {\n  margin: 0;\n  font-size: 24px;\n  font-weight: bold;\n}\n\n\/* Previous and Next Buttons *\/\n.prev, .next {\n  position: absolute;\n  top: 50%;\n  width: 40px;\n  height: 40px;\n  margin-top: -20px;\n  background-color: rgba(255, 255, 255, 0.8);\n  border-radius: 50%;\n  text-align: center;\n  line-height: 40px;\n  font-size: 24px;\n  color: #333;\n  text-decoration: none;\n  transition: all 0.3s ease-in-out;\n}\n\n.prev:hover, .next:hover {\n  background-color: rgba(0, 0, 0, 0.8);\n  color: #fff;\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684 <code>.gallery<\/code> \u4e3a\u56fe\u7247\u5eca\u5bb9\u5668\uff0c<code>.thumbnails<\/code> \u4e3a\u7f29\u7565\u56fe\u5bb9\u5668\uff0c<code>.preview<\/code> \u4e3a\u9884\u89c8\u56fe\u548c\u6807\u9898\u5bb9\u5668\uff0c<code>.prev<\/code> \u548c <code>.next<\/code> \u4e3a\u5207\u6362\u7bad\u5934\u5bb9\u5668\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u4f7f\u7f29\u7565\u56fe\u80fd\u591f\u4e0e\u5927\u56fe\u8fdb\u884c\u8054\u52a8\uff0c\u8fd9\u91cc\u91c7\u7528\u4e86\u81ea\u5b9a\u4e49\u7684 <code>data-large<\/code> \u5c5e\u6027\u6765\u5b58\u50a8\u5bf9\u5e94\u7684\u5927\u56fe\u5730\u5740\u3002\u901a\u8fc7 JavaScript \u4ee3\u7801\u5b9e\u73b0\u7f29\u7565\u56fe\u548c\u9884\u89c8\u56fe\u7684\u8054\u52a8\uff0c\u4ee5\u53ca\u5de6\u53f3\u7bad\u5934\u7684\u70b9\u51fb\u4e8b\u4ef6\u5373\u53ef\u5b9e\u73b0\u5b8c\u6574\u7684\u56fe\u7247\u5eca\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u5bf9\u56fe\u7247\u5eca\u8fdb\u884c\u5b9a\u5236\uff0c\u6bd4\u5982\u6dfb\u52a0\u8fc7\u6e21\u6548\u679c\u3001\u52a8<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u56fe\u50cf\u900f\u660e\/\u4e0d\u900f\u660e<\/p>\n\n\n\n<p>CSS\u4e2d\u53ef\u4ee5\u901a\u8fc7opacity\u5c5e\u6027\u6765\u5b9e\u73b0\u56fe\u50cf\u7684\u900f\u660e\/\u4e0d\u900f\u660e\u6548\u679c\u3002opacity\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5143\u7d20\u7684\u900f\u660e\u5ea6\uff0c\u5b83\u7684\u53d6\u503c\u8303\u56f4\u662f0\u52301\u4e4b\u95f4\uff0c\u5176\u4e2d0\u8868\u793a\u5b8c\u5168\u900f\u660e\uff0c1\u8868\u793a\u5b8c\u5168\u4e0d\u900f\u660e\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u8981\u5c06\u4e00\u4e2a\u56fe\u50cf\u8bbe\u7f6e\u4e3a\u534a\u900f\u660e\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884cCSS\u6837\u5f0f\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>img {\n  opacity: 0.5;\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u4f7f\u8be5\u56fe\u50cf\u53d8\u5f97\u534a\u900f\u660e\uff0c\u4f7f\u5176\u80cc\u666f\u900f\u8fc7\u4e00\u90e8\u5206\u663e\u793a\u51fa\u6765\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528RGBA\u989c\u8272\u503c\u6765\u5b9e\u73b0\u56fe\u50cf\u7684\u900f\u660e\/\u4e0d\u900f\u660e\u6548\u679c\uff0c\u5176\u4e2dA\u4ee3\u8868alpha\u901a\u9053\uff0c\u53d6\u503c\u8303\u56f4\u662f0\u52301\u4e4b\u95f4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>img {\n  background-color: rgba(255, 255, 255, 0.5);\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u4f7f\u8be5\u56fe\u50cf\u7684\u80cc\u666f\u989c\u8272\u53d8\u5f97\u534a\u900f\u660e\uff0c\u4f7f\u5176\u4e0b\u9762\u7684\u5185\u5bb9\u900f\u8fc7\u4e00\u90e8\u5206\u663e\u793a\u51fa\u6765\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u56fe\u50cf\u62fc\u5408\u6280\u672f<\/p>\n\n\n\n<p>CSS\u56fe\u50cf\u62fc\u5408\u6280\u672f\uff08CSS Image Sprites\uff09\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u56fe\u50cf\u5408\u5e76\u4e3a\u4e00\u4e2a\u56fe\u50cf\u7684\u6280\u672f\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u51cf\u5c11\u7f51\u9875\u52a0\u8f7d\u65f6\u95f4\u548cHTTP\u8bf7\u6c42\u6b21\u6570\uff0c\u63d0\u9ad8\u9875\u9762\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528CSS\u56fe\u50cf\u62fc\u5408\u6280\u672f\u53ef\u4ee5\u5c06\u591a\u4e2a\u5c0f\u56fe\u50cf\u5408\u5e76\u6210\u4e00\u4e2a\u5927\u56fe\u50cf\uff0c\u7136\u540e\u901a\u8fc7CSS\u7684background-position\u5c5e\u6027\u6307\u5b9a\u8981\u663e\u793a\u7684\u4f4d\u7f6e\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u51cf\u5c11HTTP\u8bf7\u6c42\u6b21\u6570\uff0c\u56e0\u4e3a\u6d4f\u89c8\u5668\u53ea\u9700\u8981\u4e0b\u8f7d\u4e00\u5f20\u5927\u56fe\u50cf\uff0c\u800c\u4e0d\u662f\u591a\u4e2a\u5c0f\u56fe\u50cf\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u56fe\u50cf\u88ab\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u56e0\u6b64\u5728\u9875\u9762\u52a0\u8f7d\u65f6\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u52a0\u8f7d\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2aCSS\u56fe\u50cf\u62fc\u5408\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">htmlCopy code<code>&lt;div class=\"sprite\"&gt;&lt;\/div&gt;\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>.sprite {\n  width: 30px;\n  height: 30px;\n  background-image: url('sprites.png');\n  background-position: -10px -10px;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aclass\u4e3a\u201csprite\u201d\u7684div\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u8bbe\u7f6e\u4e3a30\u50cf\u7d20\u3002\u6211\u4eec\u8fd8\u5c06\u80cc\u666f\u56fe\u50cf\u8bbe\u7f6e\u4e3a\u201csprites.png\u201d\uff0c\u5e76\u4f7f\u7528background-position\u5c5e\u6027\u5c06\u56fe\u50cf\u5411\u4e0a\u548c\u5411\u5de6\u79fb\u52a810\u50cf\u7d20\uff0c\u4ee5\u4fbf\u663e\u793a\u6211\u4eec\u60f3\u8981\u7684\u56fe\u50cf\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u4f7f\u7528CSS\u56fe\u50cf\u62fc\u5408\u6280\u672f\u65f6\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u6211\u4eec\u7684\u56fe\u50cf\u4e0d\u4f1a\u91cd\u53e0\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u9700\u8981\u5c06\u56fe\u50cf\u5b89\u6392\u5728\u4e00\u4e2a\u77e9\u5f62\u7f51\u683c\u4e2d\uff0c\u5176\u4e2d\u6bcf\u4e2a\u56fe\u50cf\u5360\u636e\u4e00\u4e2a\u77e9\u5f62\u3002\u6211\u4eec\u8fd8\u9700\u8981\u4e3a\u6bcf\u4e2a\u56fe\u50cf\u8ba1\u7b97\u5176\u5728\u7f51\u683c\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5e76\u5c06\u5176\u4f4d\u7f6e\u7528\u4f5cbackground-position\u5c5e\u6027\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528CSS\u56fe\u50cf\u62fc\u5408\u6280\u672f\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7f51\u9875\u7684\u6027\u80fd\uff0c\u4f46\u9700\u8981\u5c0f\u5fc3\u4f7f\u7528\u3002\u5982\u679c\u4f7f\u7528\u4e0d\u5f53\uff0c\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u590d\u6742\u6027\u589e\u52a0\uff0c\u5e76\u4e14\u4f7f\u7f51\u9875\u96be\u4ee5\u7ef4\u62a4\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528CSS\u56fe\u50cf\u62fc\u5408\u6280\u672f\u65f6\uff0c\u6211\u4eec\u5e94\u8be5\u91c7\u7528\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4f7f\u7528\u547d\u540d\u7ea6\u5b9a\u3001\u6ce8\u91ca\u4ee3\u7801\u7b49\uff0c\u4ee5\u4fbf\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684\u8ba1\u6570\u5668<\/p>\n\n\n\n<p>CSS\u7684\u8ba1\u6570\u5668\uff08Counter\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6280\u672f\uff0c\u7528\u4e8e\u521b\u5efa\u57fa\u4e8e\u6587\u6863\u7ed3\u6784\u7684\u8ba1\u6570\u5668\uff0c\u4f8b\u5982\u7ae0\u8282\u7f16\u53f7\u3001\u5217\u8868\u7f16\u53f7\u7b49\u7b49\u3002\u901a\u8fc7\u4f7f\u7528\u8ba1\u6570\u5668\uff0c\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u7f16\u53f7\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u6837\u5f0f\u8868\u4e2d\u63a7\u5236\u5176\u5916\u89c2\u3002<\/p>\n\n\n\n<p>\u5728CSS\u4e2d\uff0c\u8ba1\u6570\u5668\u662f\u4f7f\u7528counter-reset\u548ccounter-increment\u5c5e\u6027\u6765\u5b9a\u4e49\u7684\u3002counter-reset\u5c5e\u6027\u7528\u4e8e\u91cd\u7f6e\u8ba1\u6570\u5668\u7684\u503c\uff0c\u800ccounter-increment\u5c5e\u6027\u7528\u4e8e\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u4f7f\u7528CSS\u7684\u8ba1\u6570\u5668\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u81ea\u52a8\u7f16\u53f7\u7684\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;style&gt;\n    ul {\n        counter-reset: mycounter;\n        list-style-type: none;\n    }\n    li:before {\n        counter-increment: mycounter;\n        content: counter(mycounter) \". \";\n    }\n&lt;\/style&gt;\n\n&lt;ul&gt;\n    &lt;li&gt;Item one&lt;\/li&gt;\n    &lt;li&gt;Item two&lt;\/li&gt;\n    &lt;li&gt;Item three&lt;\/li&gt;\n&lt;\/ul&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528counter-reset\u5c5e\u6027\u6765\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a\u201cmycounter\u201d\u7684\u8ba1\u6570\u5668\uff0c\u5e76\u5c06\u5176\u521d\u59cb\u503c\u8bbe\u7f6e\u4e3a0\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528:before\u4f2a\u5143\u7d20\u548ccounter-increment\u5c5e\u6027\u6765\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\uff0c\u5e76\u4f7f\u7528counter\u51fd\u6570\u5c06\u5176\u63d2\u5165\u5230\u5185\u5bb9\u4e4b\u524d\uff0c\u5f62\u6210\u81ea\u52a8\u7f16\u53f7\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u8ba1\u6570\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u4e3a\u5404\u79cd\u5143\u7d20\u521b\u5efa\u81ea\u52a8\u7f16\u53f7\uff0c\u5305\u62ec\u6807\u9898\u3001\u7ae0\u8282\u3001\u5217\u8868\u3001\u8868\u683c\u7b49\u7b49\u3002\u800c\u4e14\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u8ba1\u6570\u5668\u7684\u6837\u5f0f\uff0c\u4f8b\u5982\u4fee\u6539\u7f16\u53f7\u7684\u989c\u8272\u3001\u5b57\u4f53\u3001\u5927\u5c0f\u7b49\u7b49\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u7684\u6837\u5f0f\u63a7\u5236\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caCSS\u7684!important \u89c4\u5219<\/p>\n\n\n\n<p>CSS\u7684!important\u89c4\u5219\u662f\u4e00\u79cd\u5f3a\u5236\u6027\u58f0\u660e\uff0c\u7528\u4e8e\u8986\u76d6\u5176\u4ed6\u58f0\u660e\uff0c\u5e76\u5c06\u4f18\u5148\u7ea7\u63d0\u5347\u5230\u6700\u9ad8\u3002\u5b83\u53ef\u4ee5\u5728CSS\u5c5e\u6027\u503c\u540e\u6dfb\u52a0!important\u5173\u952e\u5b57\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>color: red 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