{"id":2720,"date":"2020-04-15T15:52:12","date_gmt":"2020-04-15T07:52:12","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=2720"},"modified":"2020-04-15T15:52:12","modified_gmt":"2020-04-15T07:52:12","slug":"%e4%bd%a0%e9%9c%80%e6%8e%8c%e6%8f%a1%e7%9a%84css%e7%9f%a5%e8%af%86%e9%83%bd%e5%9c%a8%e8%bf%99%e4%ba%86","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2720","title":{"rendered":"\u4f60\u9700\u638c\u63e1\u7684CSS\u77e5\u8bc6\u90fd\u5728\u8fd9\u4e86"},"content":{"rendered":"<div>\n<h3 data-id=\"heading-0\">1.CSS\u76d2\u6a21\u578b\uff0c\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u5dee\u5f02<\/h3>\n<p><b>css \u6807\u51c6\u76d2\u5b50\u6a21\u578b<\/b><\/p>\n<p>css\u76d2\u5b50\u6a21\u578b \u53c8\u79f0\u4e3a\u6846\u6a21\u578b\uff08Box Model\uff09\uff0c\u5305\u542b\u4e86\u5143\u7d20\u5185\u5bb9\uff08content\uff09\u3001\u5185\u8fb9\u8ddd\uff08padding\uff09\u3001\u8fb9\u6846\uff08border\uff09\u3001\u5916\u8fb9\u8ddd\uff08margin\uff09\u51e0\u4e2a\u8981\u7d20\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155020.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2722\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155020.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155020\" width=\"721\" height=\"460\" \/><\/a><\/p>\n<p>\u56fe\u4e2d\u7684\u5185\u5c42\u662fcontent\u4f9d\u6b21\u662fpadding border 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href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155040.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2723\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155040.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200415155040\" width=\"740\" height=\"462\" \/><\/a><\/p>\n<p>\u56fe\u4e2d\u7684\u5185\u5c42\u662fcontent\u4f9d\u6b21\u662fcontent padding 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height:margin*2+border*2+padding*2+height;<\/p>\n<p>iE\u4e2d\u7684\u76d2\u5b50\u6a21\u578b\u7684width:\u5305\u62ecborder+padding+width;<\/p>\n<p>\u4e0a\u9762\u7684\u4e24\u4e2a\u5bbd\u5ea6\u76f8\u52a0\u7684\u5c5e\u6027\u662f\u4e00\u6837\u7684\u3002 \u56e0\u6b64\u6211\u4eec\u5e94\u8be5\u9009\u62e9\u6807\u51c6\u76d2\u5b50\u6a21\u578b\uff0c\u5728\u7f51\u9875\u7684\u9876\u90e8\u52a0\u4e0a DOCTYPE \u58f0\u660e\u3002<\/p>\n<h3 data-id=\"heading-1\">2.CSS\u6240\u6709\u9009\u62e9\u5668\u53ca\u5176\u4f18\u5148\u7ea7\u3001\u4f7f\u7528\u573a\u666f\uff0c\u54ea\u4e9b\u53ef\u4ee5\u7ee7\u627f\uff0c\u5982\u4f55\u8fd0\u7528at\u89c4\u5219<\/h3>\n<p><b>css\u9009\u62e9\u5668\u79cd\u7c7b\u6709\uff1a<\/b><\/p>\n<p>\u901a\u7528\u9009\u62e9\u5668\uff1a*<\/p>\n<p>id\u9009\u62e9\u5668\uff1a#header{}<\/p>\n<p>class\u9009\u62e9\u5668\uff1a.header{}<\/p>\n<p>\u5143\u7d20\u9009\u62e9\u5668\uff1adiv{}<\/p>\n<p>\u5b50\u9009\u62e9\u5668\uff1aul &gt; li{}<\/p>\n<p>\u540e\u4ee3\u9009\u62e9\u5668\uff1adiv 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\u9009\u62e9\u524d\u9762\u6709p\u5143\u7d20\u7684\u6bcf\u4e2aul\u5143\u7d20<\/p>\n<p><b>css\u9009\u62e9\u5668\u4f18\u5148\u7ea7\uff1a<\/b><\/p>\n<ul>\n<li>\u9009\u62e9\u5668\u4f18\u5148\u7ea7\u7531\u9ad8\u5230\u4f4e\u5206\u522b\u4e3a\uff1a<br \/>\n!important &gt; \u4f5c\u4e3astyle\u5c5e\u6027\u5199\u5728\u5143\u7d20\u6807\u7b7e\u4e0a\u7684\u5185\u8054\u6837\u5f0f &gt;id\u9009\u62e9\u5668&gt;\u7c7b\u9009\u62e9\u5668&gt;\u4f2a\u7c7b\u9009\u62e9\u5668&gt;\u5c5e\u6027\u9009\u62e9\u5668&gt;\u6807\u7b7e\u9009\u62e9\u5668&gt; \u901a\u914d\u7b26\u9009\u62e9\u5668\uff08* \u5e94\u5c11\u7528\uff09&gt;\u6d4f\u89c8\u5668\u81ea\u5b9a\u4e49\uff1b<\/li>\n<\/ul>\n<ul>\n<li>\u5f53\u6bd4\u8f83\u591a\u4e2a\u76f8\u540c\u7ea7\u522b\u7684CSS\u9009\u62e9\u5668\u4f18\u5148\u7ea7\u65f6\uff0c\u5b83\u4eec\u5b9a\u4e49\u7684\u4f4d\u7f6e\u5c06\u51b3\u5b9a\u4e00\u5207\u3002\u4e0b\u9762\u4ece\u4f4d\u7f6e\u4e0a\u5c06CSS\u4f18\u5148\u7ea7\u7531\u9ad8\u5230\u4f4e\u5206\u4e3a\u516d\u7ea7\uff1a<br \/>\n1\u3001\u4f4d\u4e8e&lt;head\/&gt;\u6807\u7b7e\u91cc\u7684&lt;style\/&gt;\u4e2d\u6240\u5b9a\u4e49\u7684CSS\u62e5\u6709\u6700\u9ad8\u7ea7\u7684\u4f18\u5148\u6743\u3002<br \/>\n2\u3001\u7b2c\u4e8c\u7ea7\u7684\u4f18\u5148\u5c5e\u6027\u7531\u4f4d\u4e8e &lt;style\/&gt;\u6807\u7b7e\u4e2d\u7684 @import \u5f15\u5165\u6837\u5f0f\u8868\u6240\u5b9a\u4e49\u3002<br \/>\n3\u3001\u7b2c\u4e09\u7ea7\u7684\u4f18\u5148\u5c5e\u6027\u7531&lt;link\/&gt;\u6807\u7b7e\u6240\u5f15\u5165\u7684\u6837\u5f0f\u8868\u5b9a\u4e49\u3002<br \/>\n4\u3001\u7b2c\u56db\u7ea7\u7684\u4f18\u5148\u5c5e\u6027\u7531&lt;link\/&gt;\u6807\u7b7e\u6240\u5f15\u5165\u7684\u6837\u5f0f\u8868\u5185\u7684 @import \u5bfc\u5165\u6837\u5f0f\u8868\u5b9a\u4e49\u3002<br \/>\n5\u3001\u7b2c\u4e94\u7ea7\u4f18\u5148\u7684\u6837\u5f0f\u6709\u7528\u6237\u8bbe\u5b9a\u3002<br \/>\n6\u3001\u6700\u4f4e\u7ea7\u7684\u4f18\u5148\u6743\u7531\u6d4f\u89c8\u5668\u9ed8\u8ba4\u3002<\/li>\n<\/ul>\n<p><b>\u4f7f\u7528\u573a\u666f\uff1a<\/b><\/p>\n<ul>\n<li>class\u4f7f\u7528\u573a\u666f\uff1a\u9700\u8981\u67d0\u4e9b\u7279\u5b9a\u6837\u5f0f\u7684\u6807\u7b7e\u5219\u653e\u5728\u540c\u4e00\u4e2aclass\u4e2d\uff0c\u9700\u8981\u6b64\u6837\u5f0f\u7684\u6807\u7b7e\u53ef\u518d\u6dfb\u52a0\u6b64\u7c7b\u3002\uff08class\u4e0d\u53ef\u88abjavascript\u4e2d\u7684GetElementByID\u51fd\u6570\u6240\u8c03\u7528\uff09<\/li>\n<li>id\u4f7f\u7528\u573a\u666f\uff1a1\u3001\u6839\u636e\u63d0\u4f9b\u7684\u552f\u4e00id\u53f7\u5feb\u901f\u83b7\u53d6\u6807\u7b7e\u5bf9\u8c61\uff0c\u5982\uff1adocument.getElementById(id) \uff1b2\u3001\u7528\u4e8e\u5145\u5f53label\u6807\u7b7efor\u5c5e\u6027\u7684\u503c\uff1a\u793a\u4f8b\uff1a&lt;label for=&#8217;userid&#8217;&gt;\u7528\u6237\u540d\uff1a&lt;\/label&gt;\uff0c\u8868\u793a\u5355\u51fb\u6b64label\u6807\u7b7e\u65f6\uff0cid\u4e3auserid\u7684\u6807\u7b7e\u83b7\u5f97\u7126\u70b9<\/li>\n<\/ul>\n<p><b>CSS\u54ea\u4e9b\u5c5e\u6027\u53ef\u4ee5\u7ee7\u627f\uff1f <\/b><br \/>\ncss\u7ee7\u627f\u7279\u6027\u4e3b\u8981\u662f\u6307\u6587\u672c\u65b9\u9762\u7684\u7ee7\u627f(\u6bd4\u5982\u5b57\u4f53\u3001\u989c\u8272\u3001\u5b57\u4f53\u5927\u5c0f\u7b49)\uff0c\u76d2\u6a21\u578b\u76f8\u5173\u7684\u5c5e\u6027\u57fa\u672c\u6ca1\u6709\u7ee7\u627f\u7279\u6027\u3002<br \/>\n\u4e0d\u53ef\u7ee7\u627f\u7684\uff1a<br \/>\ndisplay\u3001margin\u3001border\u3001padding\u3001background\u3001height\u3001min-height\u3001max-height\u3001width\u3001min-width\u3001max-width\u3001overflow\u3001position\u3001top\u3001bottom\u3001left\u3001right\u3001z-index\u3001float\u3001clear\u3001 table-layout\u3001vertical-align\u3001page-break-after\u3001page-bread-before\u548cunicode-bidi\u3002<br \/>\n\u6240\u6709\u5143\u7d20\u53ef\u7ee7\u627f\u7684\uff1a<br \/>\nvisibility\u548ccursor<br \/>\n\u7ec8\u6781\u5757\u7ea7\u5143\u7d20\u53ef\u7ee7\u627f\u7684\uff1a<br \/>\ntext-indent\u548ctext-align<br \/>\n\u5185\u8054\u5143\u7d20\u53ef\u7ee7\u627f\u7684\uff1a<br \/>\nletter-spacing\u3001word-spacing\u3001white-space\u3001line-height\u3001color\u3001font\u3001font-family\u3001font-size\u3001font-style\u3001font-variant\u3001font-weight\u3001text-decoration\u3001text-transform\u3001direction<br \/>\n\u5217\u8868\u5143\u7d20\u53ef\u7ee7\u627f\u7684\uff1a<br \/>\nlist-style\u3001list-style-type\u3001list-style-position\u3001list-style-image<\/p>\n<h3 data-id=\"heading-2\">\u5e38\u7528at\u89c4\u5219\u53ca\u4f7f\u7528\u793a\u4f8b\uff1a<\/h3>\n<ul>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@charset<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@import<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_3\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@namespace<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_4\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@document<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_5\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@font-face<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_6\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@keyframes<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_7\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@media<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@page<\/a><\/li>\n<li><a href=\"http:\/\/zervanto.farbox.com\/post\/css3mo-fa-mu-lu\/csszhong-de-atgui-ze#toc_9\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@supports<\/a><\/li>\n<\/ul>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/*\u5b9a\u4e49\u5b57\u7b26\u96c6*\/\r\n@charset <span class=\"hljs-string\">\"utf-8\"<\/span>    \r\n\/*\u5bfc\u5165css\u6587\u4ef6*\/ \r\n@import <span class=\"hljs-string\">\"base.css\"<\/span>\r\n\/*\u81ea\u5b9a\u4e49\u5b57\u4f53*\/\r\n@font-face {}\r\n\/*\u58f0\u660eCSS3 animation\u52a8\u753b\u5173\u952e\u5e27*\/\r\n@keyframes fadeIn {}\r\n\/*\u5a92\u4f53\u67e5\u8be2*\/\r\n@media{}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<h3 data-id=\"heading-3\">3.CSS\u4f2a\u7c7b\u548c\u4f2a\u5143\u7d20\u6709\u54ea\u4e9b\uff0c\u5b83\u4eec\u7684\u533a\u522b\u548c\u5b9e\u9645\u5e94\u7528<\/h3>\n<p><b>\u4f2a\u7c7b\u7684\u4f8b\u5b50\u6709\uff1a<\/b><\/p>\n<p>:hover<\/p>\n<p>:active<\/p>\n<p>:first-child<\/p>\n<p>:visited<\/p>\n<p>\u7b49\u3002<\/p>\n<p><b>\u4f2a\u5143\u7d20\u7684\u4f8b\u5b50\u6709\uff1a<\/b><\/p>\n<p>:first-line<\/p>\n<p>:first-letter<\/p>\n<p>:after<\/p>\n<p>:before<\/p>\n<p><b>\u4f2a\u7c7b\u548c\u4f2a\u5143\u7d20\u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\uff1a<\/b><\/p>\n<p><b>\u5b83\u4eec\u662f\u5426\u521b\u9020\u4e86\u65b0\u7684\u5143\u7d20(\u62bd\u8c61)<\/b>\u3002\u4ece\u6211\u4eec\u6a21\u4eff\u5176\u610f\u4e49\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5982\u679c\u9700\u8981\u6dfb\u52a0\u65b0\u5143\u7d20\u52a0\u4ee5\u6807\u8bc6\u7684\uff0c\u5c31\u662f\u4f2a\u5143\u7d20\uff0c\u53cd\u4e4b\uff0c\u5982\u679c\u53ea\u9700\u8981\u5728\u65e2\u6709\u5143\u7d20\u4e0a\u6dfb\u52a0\u7c7b\u522b\u7684\uff0c\u5c31\u662f\u4f2a\u7c7b\u3002<\/p>\n<p>\u4f2a\u5143\u7d20\u5728\u4e00\u4e2a\u9009\u62e9\u5668\u91cc\u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\uff0c\u5e76\u4e14\u53ea\u80fd\u51fa\u73b0\u5728\u672b\u5c3e;<\/p>\n<p>\u4f2a\u7c7b\u5219\u662f\u50cf\u771f\u6b63\u7684\u7c7b\u4e00\u6837\u53d1\u6325\u7740\u7c7b\u7684\u4f5c\u7528\uff0c\u6ca1\u6709\u6570\u91cf\u4e0a\u7684\u9650\u5236\uff0c\u53ea\u8981\u4e0d\u662f\u76f8\u4e92\u6392\u65a5\u7684\u4f2a\u7c7b\uff0c\u4e5f\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u5728\u76f8\u540c\u7684\u5143\u7d20\u4e0a\u3002<\/p>\n<p><b>\u5b9e\u9645\u4f7f\u7528\uff1a<\/b><\/p>\n<p>\u4f2a\u7c7b\u7528\u4e00\u4e2a\u5192\u53f7\u8868\u793a 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\u4f8b\uff1afloat:left;<\/div>\n<div>\u6709\u4e24\u4e2a\u53d6\u503c\uff1aleft(\u5de6\u6d6e\u52a8)\u548cright(\u53f3\u6d6e\u52a8)\u3002\u6d6e\u52a8\u5143\u7d20\u4f1a\u5728\u6ca1\u6709\u6d6e\u52a8\u5143\u7d20\u7684\u4e0a\u65b9\uff0c\u6548\u679c\u4e0a\u770b\u662f\u906e\u6321\u4f4f\u4e86\u6ca1\u6709\u6d6e\u52a8\u7684\u5143\u7d20\uff0c\u6709float\u6837\u5f0f\u89c4\u5219\u7684\u5143\u7d20\u662f\u8131\u79bb\u6587\u6863\u6d41\u7684\uff0c\u5b83\u7684\u7236\u5143\u7d20\u7684\u9ad8\u5ea6\u5e76\u4e0d\u80fd\u6709\u5b83\u6491\u5f00\u3002<\/div>\n<div>3\uff09\u3001relative\u5b9a\u4f4d(\u76f8\u5bf9\u5b9a\u4f4d) position:relative;<\/div>\n<div>\u76f8\u5bf9\u672c\u5143\u7d20\u7684\u5de6\u4e0a\u89d2\u8fdb\u884c\u5b9a\u4f4d\uff0ctop,left,bottom,right\u90fd\u53ef\u4ee5\u6709\u503c\u3002\u867d\u7136\u7ecf\u8fc7\u5b9a\u4f4d\u540e\uff0c\u4f4d\u7f6e\u53ef\u80fd\u4f1a\u79fb\u52a8\uff0c\u4f46\u662f\u672c\u5143\u7d20\u5e76\u6ca1\u6709\u8131\u79bb\u6587\u6863\u6d41\uff0c\u8fd8\u5360\u6709\u539f\u6765\u7684\u9875\u9762\u7a7a\u95f4\u3002\u53ef\u4ee5\u8bbe\u7f6ez-index\u3002\u4f7f\u672c\u5143\u7d20\u76f8\u5bf9\u4e8e\u6587\u6863\u6d41\u4e2d\u7684\u5143\u7d20\uff0c\u6216\u8005\u8131\u79bb\u6587\u6863\u6d41\u4f46\u662fz-index\u7684\u503c\u6bd4\u672c\u5143\u7d20\u7684\u503c\u8981\u5c0f\u7684\u5143\u7d20\u66f4\u52a0\u9760\u8fd1\u7528\u6237\u7684\u89c6\u7ebf\u3002<\/div>\n<div>\u76f8\u5bf9\u5b9a\u4f4d\u6700\u5927\u7684\u4f5c\u7528\u662f\u4e3a\u4e86\u5b9e\u73b0\u67d0\u4e2a\u5143\u7d20\u76f8\u5bf9\u4e8e\u672c\u5143\u7d20\u7684\u5de6\u4e0a\u89d2\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u672c\u5143\u7d20\u9700\u8981\u8bbe\u7f6eposition\u4e3arelative\u3002<\/div>\n<div>4\uff09\u3001absolute\u5b9a\u4f4d(\u7edd\u5bf9\u5b9a\u4f4d) position:absolute;<\/div>\n<div>\u76f8\u5bf9\u4e8e\u7956\u4ee3\u4e2d\u6709relative(\u76f8\u5bf9\u5b9a\u4f4d)\u5e76\u4e14\u79bb\u672c\u5143\u7d20\u5c42\u7ea7\u5173\u7cfb\u4e0a\u662f\u6700\u8fd1\u7684\u5143\u7d20\u7684\u5de6\u4e0a\u89d2\u8fdb\u884c\u5b9a\u4f4d\uff0c\u5982\u679c\u5728\u7956\u4ee3\u5143\u7d20\u4e2d\u6ca1\u6709\u6709relative\u5b9a\u4f4d\u7684\uff0c\u5c31\u9ed8\u8ba4\u76f8\u5bf9\u4e8ebody\u8fdb\u884c\u5b9a\u4f4d\u3002<\/div>\n<div>\u7edd\u5bf9\u5b9a\u4f4d\u662f\u8131\u79bb\u6587\u6863\u6d41\u7684\uff0c\u4e0e\u6d6e\u52a8\u5b9a\u4f4d\u662f\u4e00\u6837\u7684\u6548\u679c\uff0c\u4f1a\u538b\u5728\u975e\u5b9a\u4f4d\u5143\u7d20\u7684\u4e0a\u65b9\u3002\u53ef\u4ee5\u8bbe\u7f6ez-index\u5c5e\u6027\u3002<\/div>\n<p><b>\u96ea\u78a7\u56fe\u5b9e\u73b0\u539f\u7406\uff1a<\/b><\/p>\n<p>CSS\u96ea\u78a7\u7684\u57fa\u672c\u539f\u7406\u662f\u628a\u4f60\u7684\u7f51\u7ad9\u4e0a\u7528\u5230\u7684\u4e00\u4e9b\u56fe\u7247\u6574\u5408\u5230\u4e00\u5f20\u5355\u72ec\u7684\u56fe\u7247\u4e2d\uff0c\u4ece\u800c\u51cf\u5c11\u4f60\u7684\u7f51\u7ad9\u7684HTTP\u8bf7\u6c42\u6570\u91cf\u3002\u8be5\u56fe\u7247\u4f7f\u7528CSS background\u548cbackground-position\u5c5e\u6027\u6e32\u67d3\uff0c\u8fd9\u4e5f\u5c31\u610f\u5473\u7740\u4f60\u7684\u6807\u7b7e\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u4e86\uff0c\u56fe\u7247\u662f\u5728CSS\u4e2d\u5b9a\u4e49\uff0c\u800c\u975e&lt;img&gt;\u6807\u7b7e\u3002<\/p>\n<h3 data-id=\"heading-5\">5.\u5199\u51fa\u5c3d\u53ef\u80fd\u591a\u7684\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d\u7684\u65b9\u6848\u5e76\u5bf9\u6bd4\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9<\/h3>\n<p><b>\u884c\u5185\u5143\u7d20\u6c34\u5e73\u5c45\u4e2d\uff1a<\/b><\/p>\n<p>\u9996\u5148\u770b\u5b83\u7684\u7236\u5143\u7d20\u662f\u4e0d\u662f\u5757\u7ea7\u5143\u7d20\uff0c\u5982\u679c\u662f\uff0c\u5219\u76f4\u63a5\u7ed9\u7236\u5143\u7d20\u8bbe\u7f6e <b>text-align: center;\u00a0<\/b><\/p>\n<p>\u5982\u679c\u4e0d\u662f\uff0c\u5219\u5148\u5c06\u5176\u7236\u5143\u7d20\u8bbe\u7f6e\u4e3a\u5757\u7ea7\u5143\u7d20\uff0c\u518d\u7ed9\u7236\u5143\u7d20\u8bbe\u7f6e <b>text-align: center;<\/b><b><br 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translateX(-50%);<\/b><\/p>\n<p><b>\u4f7f\u7528flexbox\u5e03\u5c40\u5b9e\u73b0\u6c34\u5e73\u5c45\u4e2d\uff08\u5bbd\u5ea6\u5b9a\u4e0d\u5b9a\u90fd\u53ef\u4ee5\uff09:<\/b><\/p>\n<p>\u4f7f\u7528flexbox\u5e03\u5c40\uff0c\u53ea\u9700\u8981\u7ed9\u5f85\u5904\u7406\u7684\u5757\u72b6\u5143\u7d20\u7684\u7236\u5143\u7d20\u6dfb\u52a0\u5c5e\u6027 display: flex; justify-content: center;<\/p>\n<p><b>\u5355\u884c\u7684\u884c\u5185\u5143\u7d20\u5782\u76f4\u5c45\u4e2d:<\/b><\/p>\n<p>\u53ea\u9700\u8981\u8bbe\u7f6e\u5355\u884c\u884c\u5185\u5143\u7d20\u7684&#8221;\u884c\u9ad8\u7b49\u4e8e\u76d2\u5b50\u7684\u9ad8&#8221;\u5373\u53ef\uff1b<\/p>\n<p><b>\u591a\u884c\u7684\u884c\u5185\u5143\u7d20\u5782\u76f4\u5c45\u4e2d:<\/b><\/p>\n<p>\u4f7f\u7528\u7ed9\u7236\u5143\u7d20\u8bbe\u7f6e<b>display:table-cell;<\/b><b>\u548c<\/b><b>vertical-align: middle;<\/b>\u5c5e\u5373\u53ef\uff1b<b><br \/>\n<\/b><\/p>\n<p><b>\u5757\u7ea7\u5143\u7d20\u5782\u76f4\u5c45\u4e2d\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u5b9a\u4f4d<\/b><\/p>\n<p>\u9996\u5148\u8bbe\u7f6e\u7236\u5143\u7d20\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\uff0c\u518d\u8bbe\u7f6e\u5b50\u5143\u7d20\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u8bbe\u7f6e\u5b50\u5143\u7d20\u7684<b>top: 50%<\/b>\uff0c\u5373\u8ba9\u5b50\u5143\u7d20\u7684\u5de6\u4e0a\u89d2\u5782\u76f4\u5c45\u4e2d\uff1b<\/p>\n<p><b>\u5b9a\u9ad8\u5ea6\uff1a<\/b>\u8bbe\u7f6e\u7edd\u5bf9\u5b50\u5143\u7d20\u7684<b> margin-top: -\u5143\u7d20\u9ad8\u5ea6\u7684\u4e00\u534apx;<\/b> \u6216\u8005\u8bbe\u7f6e<b>transform: translateY(-50%);<\/b><\/p>\n<p><b>\u4e0d\u5b9a\u9ad8\u5ea6\uff1a<\/b>\u5229\u7528css3\u65b0\u589e\u5c5e\u6027<b>transform: translateY(-50%);<\/b><b><br \/>\n<\/b><\/p>\n<p><b>\u5757\u7ea7\u5143\u7d20\u5782\u76f4\u5c45\u4e2d<\/b><b>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528flexbox\u5e03\u5c40\u5b9e\u73b0\uff08\u9ad8\u5ea6\u5b9a\u4e0d\u5b9a\u90fd\u53ef\u4ee5\uff09<\/b><\/p>\n<p>\u4f7f\u7528flexbox\u5e03\u5c40\uff0c\u53ea\u9700\u8981\u7ed9\u5f85\u5904\u7406\u7684\u5757\u72b6\u5143\u7d20\u7684\u7236\u5143\u7d20\u6dfb\u52a0\u5c5e\u6027 <b>display: flex; align-items: center;<\/b><\/p>\n<p><b>\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d-\u5df2\u77e5\u9ad8\u5ea6\u548c\u5bbd\u5ea6\u7684\u5143\u7d20\uff1a<\/b><\/p>\n<p><b>\u65b9\u6cd5\u4e00\uff1a<\/b><\/p>\n<p>\u8bbe\u7f6e\u7236\u5143\u7d20\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\uff0c\u7ed9\u5b50\u5143\u7d20\u8bbe\u7f6e\u7edd\u5bf9\u5b9a\u4f4d\uff0c<b>top: 0; right: 0; bottom: 0; left: 0; margin: auto;<\/b><b><br \/>\n<\/b><\/p>\n<p><b>\u65b9\u6cd5\u4e8c\uff1a<\/b><\/p>\n<p>\u8bbe\u7f6e\u7236\u5143\u7d20\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\uff0c\u7ed9\u5b50\u5143\u7d20\u8bbe\u7f6e\u7edd\u5bf9\u5b9a\u4f4d\uff0c<b>left: 50%; top: 50%; margin-left: &#8211;<\/b><b>-\u5143\u7d20\u5bbd\u5ea6\u7684\u4e00\u534apx<\/b><b>; margin-top: &#8211;<\/b><b>-\u5143\u7d20\u9ad8\u5ea6\u7684\u4e00\u534apx<\/b><b>;<\/b><b><br \/>\n<\/b><\/p>\n<p><b>\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d-<\/b><b>\u672a\u77e5\u9ad8\u5ea6\u548c\u5bbd\u5ea6\u7684\u5143\u7d20\uff1a<\/b><\/p>\n<p><b>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u5b9a\u4f4d\u5c5e\u6027<\/b><\/p>\n<p>\u8bbe\u7f6e\u7236\u5143\u7d20\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\uff0c\u7ed9\u5b50\u5143\u7d20\u8bbe\u7f6e\u7edd\u5bf9\u5b9a\u4f4d\uff0c<b>left: 50%; top: 50%; transform: translateX(-50%) translateY(-50%);<\/b><\/p>\n<p><b>\u65b9\u6848\u4e8c\uff1a\u4f7f\u7528flex\u5e03\u5c40\u5b9e\u73b0<\/b><\/p>\n<p>\u8bbe\u7f6e\u7236\u5143\u7d20\u4e3aflex\u5b9a\u4f4d\uff0c<b>justify-content: center; align-items: center;<\/b><\/p>\n<h3 data-id=\"heading-6\">6.BFC\u7684\u5e03\u5c40\u89c4\u5219\uff0c\u5b9e\u73b0\u539f\u7406\uff0c\u53ef\u4ee5\u89e3\u51b3\u7684\u95ee\u9898<\/h3>\n<div>\n<div>BFC\u76f4\u8bd1\u4e3a<b>\u5757\u7ea7\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587<\/b>\uff0c\u5b83\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6e32\u67d3\u533a\u57df\uff0c\u53ea\u6709Block-level box\u53c2\u4e0e\uff0c\u5b83\u89c4\u5b9a\u4e86<b>\u5185\u90e8\u7684Block-level Box<\/b>\u5982\u4f55\u5e03\u5c40\uff0c\u5e76\u4e14\u4e0e\u5916\u90e8\u6beb\u4e0d\u76f8\u5e72\u3002<br \/>\n<b>\u6ce8\u610f<\/b>\uff1a\u53ef\u4ee5\u628aBFC\u7406\u89e3\u4e3a\u4e00\u4e2a\u5927\u7684\u76d2\u5b50\uff0c\u5176\u5185\u90e8\u662f\u7531Block-level box\u7ec4\u6210\u7684<\/div>\n<\/div>\n<h4 data-id=\"heading-7\">BFC\u5e03\u5c40\u89c4\u5219\uff1a<\/h4>\n<ol>\n<li>\u5185\u90e8\u7684Box\u4f1a\u5728\u5782\u76f4\u65b9\u5411\uff0c\u4e00\u4e2a\u63a5\u4e00\u4e2a\u5730\u653e\u7f6e\u3002<\/li>\n<li>Box\u5782\u76f4\u65b9\u5411\u7684\u8ddd\u79bb\u7531margin\u51b3\u5b9a\u3002\u5c5e\u4e8e\u540c\u4e00\u4e2aBFC\u7684\u4e24\u4e2a\u76f8\u90bbBox\u7684margin\u4f1a\u53d1\u751f\u91cd\u53e0<\/li>\n<li>\u6bcf\u4e2a\u5143\u7d20\u7684margin box\u7684\u5de6\u8fb9\uff0c \u4e0e\u5305\u542b\u5757border box\u7684\u5de6\u8fb9\u76f8\u63a5\u89e6(\u5bf9\u4e8e\u4ece\u5de6\u5f80\u53f3\u7684\u683c\u5f0f\u5316\uff0c\u5426\u5219\u76f8\u53cd)\u3002\u5373\u4f7f\u5b58\u5728\u6d6e\u52a8\u4e5f\u662f\u5982\u6b64\u3002<\/li>\n<li>BFC\u7684\u533a\u57df\u4e0d\u4f1a\u4e0efloat 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\u5f53<code>BFC<\/code>\u5916\u90e8\u5b58\u5728\u6d6e\u52a8\u65f6\uff0c\u5b83\u4e0d\u5e94\u8be5\u5f71\u54cd<code>BFC<\/code>\u5185\u90e8Box\u7684\u5e03\u5c40\uff0c<code>BFC<\/code>\u4f1a\u901a\u8fc7\u53d8\u7a84\uff0c\u800c\u4e0d\u4e0e\u6d6e\u52a8\u6709\u91cd\u53e0\u3002\u540c\u6837\u7684\uff0c\u5f53<code>BFC<\/code>\u5185\u90e8\u6709\u6d6e\u52a8\u65f6\uff0c\u4e3a\u4e86\u4e0d\u5f71\u54cd\u5916\u90e8\u5143\u7d20\u7684\u5e03\u5c40\uff0c<code>BFC<\/code>\u8ba1\u7b97\u9ad8\u5ea6\u65f6\u4f1a\u5305\u62ec\u6d6e\u52a8\u7684\u9ad8\u5ea6\u3002\u907f\u514dmargin\u91cd\u53e0\u4e5f\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u9053\u7406\u3002<\/p>\n<h3 data-id=\"heading-12\">7.CSS\u51fd\u6570\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>\u6839\u636ew3cplus\u4e2d\u53ef\u4ee5\u5212\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<p>\u5c5e\u6027\u51fd\u6570\uff1aattr()\uff1b<\/p>\n<p>\u80cc\u666f\u56fe\u7247\u51fd\u6570\uff1alinear-gradient()\u3001radial-gradient()\u3001conic-gradient()\u3001repeating-linear-gradient()\u3001repeating-radial-gradient()\u3001repeating-conic-gradient()\u3001image-set()\u3001image()\u3001url()\u3001element()\uff1b<\/p>\n<p>\u989c\u8272\u51fd\u6570\uff1argb()\u3001rgba()\u3001hsl()\u3001hsla()\u3001hwb()\u3001color-mod()\uff1b<\/p>\n<p>\u56fe\u5f62\u51fd\u6570\uff1acircle()\u3001ellipse()\u3001inset()\u3001polygon()\u3001path()<\/p>\n<p>\u6ee4\u955c\u51fd\u6570\uff1ablur()\u3001brightness()\u3001contrast()\u3001drop-shadow()\u3001grayscale()\u3001hue-rotate()\u3001invert()\u3001opacity()\u3001saturate()\u3001sepia()\uff1b<\/p>\n<p>\u8f6c\u6362\u51fd\u6570\uff1amatrix()\u3001matrix3d()\u3001perspective()\u3001rotate()\u3001rotate3d()\u3001rotateX()\u3001rotateY()\u3001rotateZ()\u3001scale()\u3001scale3d()\u3001scaleX()\u3001scaleY()\u3001scaleZ()\u3001skew()\u3001skewX()\u3001skewY()\u3001translate()\u3001translateX()\u3001translateY()\u3001translateZ()\u3001translate3d()\uff1b<\/p>\n<p>\u6570\u5b66\u51fd\u6570\uff1acalc()\u3001min()\u3001max()\u3001mixmax()\u3001repeat()\uff1b<\/p>\n<p>\u7f13\u52a8\u51fd\u6570\uff1acubic-bezier()\u3001steps()\uff1b<\/p>\n<p>\u5176\u4ed6\u51fd\u6570\uff1acounter()\u3001counters()\u3001toggle()\u3001var()\u3001 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\u7b80\u5355\u8bf4\uff0cSass\u548cCompass\u7684\u5173\u7cfb\u6709\u70b9\u50cfJavascript\u548cjQuery\u7684\u5173\u7cfb,Compass\u5728Sass\u7684\u57fa\u7840\u4e0a\uff0c\u5c01\u88c5\u4e86\u4e00\u7cfb\u5217\u6709\u7528\u7684\u6a21\u5757\u548c\u6a21\u677f\uff0c\u8865\u5145\u5f3a\u5316\u4e86Sass\u7684\u529f\u80fd\u3002Less\u6709UI\u7ec4\u4ef6\u5e93Bootstrap,Bootstrap\u662fweb\u524d\u7aef\u5f00\u53d1\u4e2d\u4e00\u4e2a\u6bd4\u8f83\u6709\u540d\u7684\u524d\u7aefUI\u7ec4\u4ef6\u5e93\uff0cBootstrap\u7684\u6837\u5f0f\u6587\u4ef6\u90e8\u5206\u6e90\u7801\u5c31\u662f\u91c7\u7528Less\u8bed\u6cd5\u7f16\u5199\u3002<\/p>\n<p>\u25cf PostCSS\u4ecb\u7ecd\uff1a<\/p>\n<p>PostCSS \u7684\u4e3b\u8981\u529f\u80fd\u53ea\u6709\u4e24\u4e2a\uff1a\u7b2c\u4e00\u4e2a\u5c31\u662f\u524d\u9762\u63d0\u5230\u7684\u628a CSS \u89e3\u6790\u6210 JavaScript \u53ef\u4ee5\u64cd\u4f5c\u7684 AST\uff0c\u7b2c\u4e8c\u4e2a\u5c31\u662f\u8c03\u7528\u63d2\u4ef6\u6765\u5904\u7406 AST \u5e76\u5f97\u5230\u7ed3\u679c\u3002\u56e0\u6b64\uff0c\u4e0d\u80fd\u7b80\u5355\u7684\u628a PostCSS \u5f52\u7c7b\u6210 CSS \u9884\u5904\u7406\u6216\u540e\u5904\u7406\u5de5\u5177\u3002PostCSS \u6240\u80fd\u6267\u884c\u7684\u4efb\u52a1\u975e\u5e38\u591a\uff0c\u540c\u65f6\u6db5\u76d6\u4e86\u4f20\u7edf\u610f\u4e49\u4e0a\u7684\u9884\u5904\u7406\u548c\u540e\u5904\u7406\u3002<\/p>\n<p>\u25cf PostCSS\u4f7f\u7528<\/p>\n<div>\n<div>PostCSS \u4e00\u822c\u4e0d\u5355\u72ec\u4f7f\u7528\uff0c\u800c\u662f\u4e0e\u5df2\u6709\u7684\u6784\u5efa\u5de5\u5177\u8fdb\u884c\u96c6\u6210\u3002PostCSS \u4e0e\u4e3b\u6d41\u7684\u6784\u5efa\u5de5\u5177\uff0c\u5982 Webpack\u3001Grunt \u548c Gulp \u90fd\u53ef\u4ee5\u8fdb\u884c\u96c6\u6210\u3002\u5b8c\u6210\u96c6\u6210\u4e4b\u540e\uff0c\u9009\u62e9\u6ee1\u8db3\u529f\u80fd\u9700\u6c42\u7684 PostCSS \u63d2\u4ef6\u5e76\u8fdb\u884c\u914d\u7f6e\u3002\u73b0\u5728\u7ecf\u5e38\u7528\u5230\u7684\u662f\u57fa\u4e8ePostCSS\u7684Autoprefixer\u63d2\u4ef6\uff0c\u4f7f\u7528\u65b9\u5f0f\u53ef\u4ee5\u5728\u5b98\u7f51\u7684\u63d2\u4ef6\u5e93\u8fdb\u884c\u67e5\u8be2\u3002\u4e0b\u9762\u662f\u5b98\u7f51\u5730\u5740\uff1a<\/div>\n<\/div>\n<div><a href=\"https:\/\/www.postcss.com.cn\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">PostCSS\u5b98\u7f51\u5730\u5740<\/a><\/div>\n<h3 data-id=\"heading-14\">9.CSS\u6a21\u5757\u5316\u65b9\u6848\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>css\u7684\u6a21\u5757\u5316\u65b9\u6848\u53ef\u80fd\u548cjs\u7684\u4e00\u6837\u591a\uff0c\u4e0b\u9762\u7b80\u5355\u4ecb\u7ecd\u51e0\u79cd\u4e3b\u8981\u7684\u6a21\u5757\u65b9\u6848\u3002<\/p>\n<h2 data-id=\"heading-15\">oocss<\/h2>\n<p>\u9762\u5bf9\u5bf9\u8c61\u7684\u89c4\u5219\uff0c\u4e3b\u8981\u7684\u539f\u5219\u662f\u4e24\u79cd\uff1a\u5206\u79bb\u7ed3\u6784\u548c\u5916\u89c2\uff0c\u5206\u79bb\u5bb9\u5668\u548c\u5185\u5bb9\u3002<\/p>\n<h3 data-id=\"heading-16\">\u540d\u8bcd\u89e3\u91ca<\/h3>\n<p>\u5206\u79bb\u7ed3\u6784\u548c\u5916\u89c2\uff1a\u589e\u52a0\u53ef\u91cd\u590d\u7684\u8bbe\u8ba1\u5355\u5143\uff0c\u540c\u65f6\u53bb\u63a8\u8fdb\u4ea7\u54c1\u548cui\u5bf9\u8fd9\u65b9\u9762\u7684\u601d\u8003\uff0c\u6bd4\u5982\u4e0b\u9762\u7684css\u4f7f\u7528\u65f6\u5bf9\u8c61\u6a21\u5f0f\u7684\u547d\u540d\u548c\u6a21\u5757\u5316\u89c4\u5219\u3002<\/p>\n<p>\u5206\u79bb\u5bb9\u5668\u548c\u5185\u5bb9\uff1a\u6307\u7684\u662f\u6837\u5f0f\u7684\u4f7f\u7528\u4e0d\u4ee5\u5143\u7d20\u4f4d\u7f6e\u552f\u4e00\u5339\u914d\uff0c\u5728\u4efb\u4f55\u4f4d\u7f6e\u4f60\u90fd\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u6837\u5f0f\uff0c\u5982\u679c\u4f60\u4e0d\u9002\u7528\u8fd9\u4e2a\u6837\u5f0f\uff0c\u4f1a\u4fdd\u6301\u9ed8\u8ba4\u7684\u6837\u5f0f\u3002<\/p>\n<h3 data-id=\"heading-17\">\u5b9e\u4f8b<\/h3>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/ dom\u7ed3\u6784&lt;div class=<span class=\"hljs-string\">\"toogle simple\"<\/span>&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle-control open\"<\/span>&gt;    &lt;div class=<span class=\"hljs-string\">\"toogle-tittle\"<\/span>&gt;\u6807\u9898&lt;\/div&gt;  &lt;\/div&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle-details \"<\/span>&gt;&lt;\/div&gt;&lt;\/div&gt;<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/ \u6a21\u5757\u7684\u6807\u8bb0 \u552f\u4e00\u6807\u8bc6.toggle{}\/\/ \u76ae\u80a4\u6837\u5f0f\u7684\u5199\u6cd5\uff0c\u5982\u679c\u57fa\u672c\u7ed3\u6784\u662f\u4e00\u6837\u7684\uff0c\u4f60\u53ef\u4ee5\u7528complex\u7684\u4e00\u4e2a\u8f85\u52a9\u6837\u5f0f.toggle.simple{}\/\/ \u662f\u5426\u505a\u5d4c\u5957\u5199\u6cd5 \u76f8\u4fe1\u5f88\u591a\u9884\u5904\u7406\u5668\u7684\u90e8\u5206\u4f1a\u652f\u6301\u5d4c\u5957 \u7136\u540e\u5f88\u591a\u4eba\u4f1a\u8fd9\u6837\u5199,\u4e0d\u88ab\u63a8\u8350\u7684.toogle{ .toogle-control{ } .toogle-details{ }}\/\/ \u5176\u5b9e\u4f60\u4f1a\u8fd9\u6837\u7ec4\u7ec7\u4e48 \u4e0d\u662f\u5f88\u5efa\u8bae \u8fd9\u6837\u4f1a\u964d\u4f4e\u67e5\u8be2\u6548\u7387 \u5982\u679c\u80fd\u786e\u8ba4\u552f\u4e00\u6027\u7684\u65f6\u5019 \u5176\u5b9e\u76f4\u63a5\u5199\u5b50\u5373\u53ef.toogle{}.toogle-control{}.toogle-details{}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<h2 data-id=\"heading-18\">smacss<\/h2>\n<p>sma\u548coocss\u6709\u5f88\u591a\u7c7b\u4f3c\u4e4b\u5904\uff0c\u4f46\u533a\u5206\u7684\u5730\u65b9\u6709\u5f88\u591a\uff0c\u4e3b\u8981\u662f\u5bf9\u6837\u5f0f\u7684\u5206\u7c7b\u3002\u5206\u522b\u662f\uff1a\u57fa\u7840\u3001\u5e03\u5c40\u3001\u6a21\u5757\u3001\u72b6\u6001\u3001\u4e3b\u9898<\/p>\n<h3 data-id=\"heading-19\">\u57fa\u7840<\/h3>\n<p>\u53ef\u4ee5\u9002\u7528\u4e8e\u4efb\u4f55\u4f4d\u7f6e\uff0c\u6211\u4e5f\u79f0\u5168\u5c40\u6837\u5f0f<\/p>\n<h3 data-id=\"heading-20\">\u5e03\u5c40<\/h3>\n<p>\u4e3b\u8981\u662f\u7528\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u7279\u8272\u5e03\u5c40\uff0c\u63d0\u9ad8\u5e03\u5c40\u7684\u590d\u7528\u7387\uff0c<\/p>\n<h3 data-id=\"heading-21\">\u6a21\u5757<\/h3>\n<p>\u8bbe\u8ba1\u4e2d\u7684\u6a21\u5757\u5316\uff0c\u53ef\u91cd\u590d\u4f7f\u7528\u7684\u4e00\u4e2a\u5355\u5143\uff0c\u4e00\u822c\u662fdom+css\u7684\u8026\u5408\u7ed1\u5b9a\u3002<\/p>\n<h3 data-id=\"heading-22\">\u72b6\u6001<\/h3>\n<p>\u63cf\u8ff0\u5728\u7279\u5b9a\u72b6\u6001\u4e0b\u7684\u5e03\u5c40\u6216\u8005\u6a21\u5757\u7684\u7279\u6b8a\u5316\u8868\u73b0\uff0c\u8fd9\u91cc\u6211\u89c9\u5f97\u8981\u63a8\u8350\u4e0b\u300acss\u7985\u610f\u82b1\u56ed\u300b\uff0c\u5728dom\u7ed3\u6784\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7css\u7684\u76ae\u80a4\u5316\u5b9e\u73b0\u6837\u5f0f\u7684\u6539\u7248\u3002<\/p>\n<h3 data-id=\"heading-23\">\u4e3b\u9898<\/h3>\n<p>\u4e0e\u72b6\u6001\u76f8\u6bd4\u66f4\u52a0\u5b9a\u5236\u7684\u662f\uff0c\u6211\u4eec\u4f1a\u9488\u5bf9\u6709\u4e9b\u7279\u6b8a\u7684\u6a21\u5757\uff0c\u8fdb\u884c\u4e3b\u9898\u7684\u8bbe\u7f6e\uff0c\u5305\u62ec\u4e00\u7cfb\u5217\u7684\u989c\u8272\u3001\u5c3a\u5bf8\u3001\u4ea4\u4e92\u7b49\u8fdb\u884c\u91cd\u5ea6\u8bbe\u8ba1\uff0c\u53c2\u6570\u5316\u8bbe\u8ba1\u3002<\/p>\n<h3 data-id=\"heading-24\">\u6848\u4f8b<\/h3>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/ dom\u7ed3\u6784&lt;div class=<span class=\"hljs-string\">\"toogle toogle-simple\"<\/span>&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle-control is-active\"<\/span>&gt;    &lt;div class=<span class=\"hljs-string\">\"toogle-tittle\"<\/span>&gt;\u6807\u9898&lt;\/div&gt;  &lt;\/div&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle-details \"<\/span>&gt;&lt;\/div&gt;&lt;\/div&gt;<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u4e0eoocss\u76f8\u6bd4\uff0c\u5176\u5b9e\u5927\u90e8\u5206\u8bbe\u8ba1\u601d\u8def\u662f\u4e00\u6837\u7684\uff0c\u4ee5\u4e00\u4e2a\u7c7b\u4f5c\u4e3acss\u7684\u4f5c\u7528\u57df\uff08\u4f5c\u7528\u57df\u5c31\u662f\u4e24\u4e2a\u9650\u5236\uff0c1 \u4e0d\u7b26\u5408\u573a\u666f\u65f6\u9650\u5236\u7981\u6b62\u4f7f\u7528 2 \u7b26\u5408\u573a\u666f\u65f6\u8981\u6b63\u786e\u7684\u4f7f\u7528\uff09\uff0c\u53e6\u5916\u7684\u533a\u522b\u5c31\u662f\u9488\u5bf9\u76ae\u80a4\u548c\u72b6\u6001\u7684\u4e0d\u540c\u4e66\u5199\u89c4\u5219\u3002<\/p>\n<h2 data-id=\"heading-25\">bem<\/h2>\n<p>bem\u5c31\u662f\u5757\u3001\u5143\u7d20\u3001\u4fee\u9970\u7b26\u7684\u601d\u7ef4\u53bb\u5199\u6837\u5f0f\u3002\u5b83\u4e0d\u6d89\u53ca\u5177\u4f53\u7684css\u7ed3\u6784\uff0c\u53ea\u662f\u5efa\u8bae\u4f60\u5982\u4f55\u547d\u540dcss.<\/p>\n<h3 data-id=\"heading-26\">\u6848\u4f8b<\/h3>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/ dom\u7ed3\u6784&lt;div class=<span class=\"hljs-string\">\"toogle toogle--simple\"<\/span>&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle_control toogle_control--active\"<\/span>&gt;    &lt;div class=<span class=\"hljs-string\">\"toogle_tittle\"<\/span>&gt;\u6807\u9898&lt;\/div&gt;  &lt;\/div&gt;  &lt;div class=<span class=\"hljs-string\">\"toogle_details \"<\/span>&gt;&lt;\/div&gt;&lt;\/div&gt;<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<h3 data-id=\"heading-27\">\u89e3\u91ca<\/h3>\n<ul>\n<li>\u5757\u7ea7\uff1a\u6240\u5c5e\u7ec4\u4ef6\u7684\u540d\u79f0<\/li>\n<li>\u5143\u7d20\uff1a\u5143\u7d20\u5728\u7ec4\u4ef6\u91cc\u7684\u540d\u79f0<\/li>\n<li>\u4fee\u9970\u7b26\uff1a\u4efb\u4f55\u4e0e\u5143\u7d20\u4fee\u9970\u76f8\u5173\u7684\u7c7b<\/li>\n<\/ul>\n<p><b>style-components\u00a0\u00a0<\/b><\/p>\n<p>\u5f7b\u5e95\u629b\u5f03 CSS\uff0c\u7528 JavaScript \u5199 CSS \u89c4\u5219,\u70b9\u51fb<a href=\"https:\/\/github.com\/styled-components\/styled-components\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">style-components<\/a>\u8fdb\u5165github\u7684\u4e3b\u9875\u3002<b><br \/>\n<\/b><\/p>\n<p><b>CSS Modules\u00a0\u00a0<\/b><\/p>\n<p>\u4f7f\u7528JS\u7f16\u8bd1\u539f\u751f\u7684CSS\u6587\u4ef6\uff0c\u4f7f\u5176\u5177\u5907\u6a21\u5757\u5316\u7684\u80fd\u529b\uff0c\u70b9\u51fb<a href=\"https:\/\/github.com\/css-modules\/css-modules\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">CSS Modules<\/a>\u8fdb\u5165github\u4e3b\u9875\u3002<b><br \/>\n<\/b><\/p>\n<p>\u8fd9\u4e9b\u6a21\u5757\u5316\u65b9\u6848\u90fd\u662f\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u5982\u547d\u540d\u7ea6\u5b9a\uff1a\u547d\u540d\u590d\u6742\u3001\u7f3a\u4e4f\u6269\u5c55\u3001 CSS Modules\u5f53\u7136\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9(\u4f60\u5f97\u5148\u5b66\u4f1a\u5b83\u518d\u53bb\u8c08\u4f18\u52a3)\u3002\u5728\u4f17\u591a\u89e3\u51b3\u65b9\u6848\u4e2d\uff0c\u6ca1\u6709\u7edd\u5bf9\u7684\u4f18\u52a3\u3002\u8fd8\u662f\u8981\u7ed3\u5408\u81ea\u5df1\u7684\u573a\u666f\u6765\u51b3\u5b9a\u3002<\/p>\n<h3 data-id=\"heading-28\">10.CSS\u5982\u4f55\u914d\u7f6e\u6309\u9700\u52a0\u8f7d<\/h3>\n<p><b>\u00a0\u25cf <\/b>\u4f7f\u7528require.js\u6309\u9700\u52a0\u8f7dCSS<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/\u6a21\u5757test.js\r\ndefine([<span class=\"hljs-string\">'css!..\/css\/test.css'<\/span>], <span class=\"hljs-function\"><span class=\"hljs-title\">function<\/span><\/span>() { \/\/\u5148\u52a0\u8f7d\u4f9d\u8d56\u6837\u5f0f\r\n    var <span class=\"hljs-built_in\">test<\/span> = {};\r\n    <span class=\"hljs-built_in\">return<\/span> <span class=\"hljs-built_in\">test<\/span>;\r\n});\r\n\r\n\/\/\u914d\u7f6e\r\nrequire.config({\r\n    map: { \/\/map\u544a\u8bc9RequireJS\u5728\u4efb\u4f55\u6a21\u5757\u4e4b\u524d\uff0c\u90fd\u5148\u8f7d\u5165\u8fd9\u4e2a\u6a21\u5757\r\n        <span class=\"hljs-string\">'*'<\/span>: {\r\n            css: <span class=\"hljs-string\">'lib\/css'<\/span>\r\n        }\r\n    },\r\n    paths: {\r\n        <span class=\"hljs-built_in\">test<\/span>: <span class=\"hljs-string\">'lib\/test'<\/span>,\r\n    }\r\n});\r\n\r\n\/\/\u8c03\u7528\r\nrequire([<span class=\"hljs-string\">'test'<\/span>])<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u25cf webpack\u914d\u7f6eCSS\u7684\u6309\u9700\u52a0\u8f7d<\/p>\n<p>\u8fd9\u91cc\u4ee5ant desgin css \u4e3a\u4f8b\uff1a<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">{\r\n  <span class=\"hljs-built_in\">test<\/span>: \/\\.(js|mjs|jsx|ts|tsx)$\/,\r\n  include: paths.appSrc,\r\n  loader: require.resolve(<span class=\"hljs-string\">'babel-loader'<\/span>),\r\n  options: {\r\n    customize: require.resolve(\r\n      <span class=\"hljs-string\">'babel-preset-react-app\/webpack-overrides'<\/span>\r\n    ),\r\n    plugins: [\r\n      [<span class=\"hljs-string\">\"import\"<\/span>,{libraryName: <span class=\"hljs-string\">\"antd\"<\/span>, style: <span class=\"hljs-string\">'css'<\/span>}],   \/\/\u53ea\u9700\u52a0\u4e00\u884c\uff0c\u624b\u52a8\u5212\u91cd\u70b9antd\u6309\u9700\u52a0\u8f7d \r\n      [\r\n        require.resolve(<span class=\"hljs-string\">'babel-plugin-named-asset-import'<\/span>),\r\n        {\r\n          loaderMap: {\r\n            svg: {\r\n              ReactComponent: <span class=\"hljs-string\">'@svgr\/webpack?-svgo,+ref![path]'<\/span>,\r\n            },\r\n          },\r\n        },\r\n      ],\r\n    ], \r\n    cacheDirectory: <span class=\"hljs-literal\">true<\/span>,\r\n    cacheCompression: isEnvProduction,\r\n    compact: isEnvProduction,\r\n  },\r\n}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<h3 data-id=\"heading-29\">11. \u5982\u4f55\u9632\u6b62CSS\u963b\u585e\u6e32\u67d3<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cCSS \u88ab\u89c6\u4e3a\u963b\u585e\u6e32\u67d3\u7684\u8d44\u6e90\uff0c\u8fd9\u610f\u5473\u7740\u6d4f\u89c8\u5668\u5c06\u4e0d\u4f1a\u6e32\u67d3\u4efb\u4f55\u5df2\u5904\u7406\u7684\u5185\u5bb9\uff0c\u76f4\u81f3 CSSOM \u6784\u5efa\u5b8c\u6bd5\u3002\u8bf7\u52a1\u5fc5\u7cbe\u7b80\u60a8\u7684 CSS\uff0c\u5e76\u5229\u7528\u5a92\u4f53\u7c7b\u578b\u548c\u67e5\u8be2\u6765\u89e3\u9664\u5bf9\u6e32\u67d3\u7684\u963b\u585e\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 CSS\u201c\u5a92\u4f53\u7c7b\u578b\u201d\u548c\u201c\u5a92\u4f53\u67e5\u8be2\u201d\u6765\u89e3\u51b3\u8fd9\u7c7b\u7528\u4f8b\uff1a<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">&lt;link href=<span class=\"hljs-string\">\"style.css\"<\/span> rel=<span class=\"hljs-string\">\"stylesheet\"<\/span>&gt; \r\n&lt;link href=<span class=\"hljs-string\">\"print.css\"<\/span> rel=<span class=\"hljs-string\">\"stylesheet\"<\/span> media=<span class=\"hljs-string\">\"print\"<\/span>&gt; \r\n&lt;link href=<span class=\"hljs-string\">\"other.css\"<\/span> rel=<span class=\"hljs-string\">\"stylesheet\"<\/span> media=<span class=\"hljs-string\">\"(min-width: 40em)\"<\/span>&gt;<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u5a92\u4f53\u67e5\u8be2\u7531\u5a92\u4f53\u7c7b\u578b\u4ee5\u53ca\u96f6\u4e2a\u6216\u591a\u4e2a\u68c0\u67e5\u7279\u5b9a\u5a92\u4f53\u7279\u5f81\u72b6\u51b5\u7684\u8868\u8fbe\u5f0f\u7ec4\u6210\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0a\u9762\u7684\u7b2c\u4e00\u4e2a\u6837\u5f0f\u8868\u58f0\u660e\u672a\u63d0\u4f9b\u4efb\u4f55\u5a92\u4f53\u7c7b\u578b\u6216\u67e5\u8be2\uff0c\u56e0\u6b64\u5b83\u9002\u7528\u4e8e\u6240\u6709\u60c5\u51b5\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u59cb\u7ec8\u4f1a\u963b\u585e\u6e32\u67d3\u3002\u7b2c\u4e8c\u4e2a\u6837\u5f0f\u8868\u5219\u4e0d\u7136\uff0c\u5b83\u53ea\u5728\u6253\u5370\u5185\u5bb9\u65f6\u9002\u7528&#8212;\u6216\u8bb8\u60a8\u60f3\u91cd\u65b0\u5b89\u6392\u5e03\u5c40\u3001\u66f4\u6539\u5b57\u4f53\u7b49\u7b49\uff0c\u56e0\u6b64\u5728\u7f51\u9875\u9996\u6b21\u52a0\u8f7d\u65f6\uff0c\u8be5\u6837\u5f0f\u8868\u4e0d\u9700\u8981\u963b\u585e\u6e32\u67d3\u3002\u6700\u540e\uff0c\u6700\u540e\u4e00\u4e2a\u6837\u5f0f\u8868\u58f0\u660e\u63d0\u4f9b\u7531\u6d4f\u89c8\u5668\u6267\u884c\u7684\u201c\u5a92\u4f53\u67e5\u8be2\u201d\uff1a\u7b26\u5408\u6761\u4ef6\u65f6\uff0c\u6d4f\u89c8\u5668\u5c06\u963b\u585e\u6e32\u67d3\uff0c\u76f4\u81f3\u6837\u5f0f\u8868\u4e0b\u8f7d\u5e76\u5904\u7406\u5b8c\u6bd5\u3002<\/p>\n<h3 data-id=\"heading-30\">12.\u719f\u7ec3\u4f7f\u7528CSS(3)\u5b9e\u73b0\u5e38\u89c1\u52a8\u753b\uff0c\u5982\u6e10\u53d8\u3001\u79fb\u52a8\u3001\u65cb\u8f6c\u3001\u7f29\u653e\u7b49\u7b49<\/h3>\n<p>\u6211\u628a\u4e00\u4e9b\u5e38\u7528\u7684CSS\u52a8\u753b\u6548\u679c\u4ee3\u7801\u4e0a\u4f20\u5230github\u4e86\uff0c\u6709\u9700\u8981\u7684\u540c\u5b66\u53ef\u4ee5\u70b9\u51fb\u4e0b\u8f7d\uff0c<a href=\"https:\/\/github.com\/qappleh\/Web-Daily-Question\/blob\/master\/CSS\/css%E5%B8%B8%E7%94%A8%E5%8A%A8%E7%94%BB.css\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">CSS\u5e38\u7528\u52a8\u753b<\/a>\uff1b<\/p>\n<p>\u53e6\u5916\u8fd8\u6709\u4e00\u4e9bCSS\u52a8\u753b\u5e93\uff0c\u6bd4\u5982\uff1a<a href=\"https:\/\/daneden.github.io\/animate.css\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">animate.css<\/a>\u3001<a href=\"https:\/\/github.com\/miniMAC\/magic\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">magic.css<\/a>\u3001<a href=\"http:\/\/ianlunn.github.io\/Hover\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Hover.css<\/a>\u3001<\/p>\n<h3 data-id=\"heading-31\">13.CSS\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u5199\u6cd5<\/h3>\n<p>1. \u6d4f\u89c8\u5668CSS\u6837\u5f0f\u521d\u59cb\u5316<\/p>\n<p>\u7531\u4e8e\u6bcf\u4e2a\u6d4f\u89c8\u5668\u7684css\u9ed8\u8ba4\u6837\u5f0f\u4e0d\u5c3d\u76f8\u540c\uff0c\u6240\u4ee5\u6700\u7b80\u5355\u6709\u6548\u7684\u65b9\u5f0f\u5c31\u662f\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u76f8\u4fe1\u5f88\u591a\u670b\u53cb\u90fd\u5199\u8fc7\u8fd9\u6837\u7684\u4ee3\u7801\uff0c\u5728\u6240\u6709CSS\u5f00\u59cb\u524d\uff0c\u5148\u628amarin\u548cpadding\u90fd\u8bbe\u4e3a0\uff0c\u4ee5\u9632\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u663e\u793a\u6548\u679c\u4e0d\u4e00\u6837\u3002<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">*{ \r\n margin: 0; \r\n padding: 0; \r\n}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u5173\u4e8e\u6d4f\u89c8\u5668CSS\u6837\u5f0f\u521d\u59cb\u5316\uff0c\u7ecf\u9a8c\u4e0d\u4e30\u5bcc\u7684\u8bdd\uff0c\u53ef\u80fd\u4e5f\u4e0d\u77e5\u9053\u8be5\u521d\u59cb\u5316\u4ec0\u4e48\uff0c\u8fd9\u91cc\u7ed9\u5927\u5bb6\u63a8\u8350\u4e00\u4e2a\u5e93\uff0cNormalize.css\uff0cgithub star\u6570\u91cf\u63a5\u8fd13.4\u4e07\uff0c\u9009\u53d6\u5c55\u793a\u5176\u4e2d\u51e0\u4e2a\u6837\u5f0f\u8bbe\u7f6e\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">html { \r\n line-height: 1.15; \/* Correct the line height <span class=\"hljs-keyword\">in<\/span> all browsers *\/ \r\n -webkit-text-size-adjust: 100%; \/* Prevent adjustments of font size after orientation changes <span class=\"hljs-keyword\">in<\/span> iOS. *\/ \r\n} \r\n \r\nbody { \r\n margin: 0; \r\n} \r\n \r\na { \r\n background-color: transparent; \/* Remove the gray background on active links <span class=\"hljs-keyword\">in<\/span> IE 10. *\/ \r\n} \r\n \r\nimg { \r\n border-style: none; \/* Remove the border on images inside links <span class=\"hljs-keyword\">in<\/span> IE 10. *\/ \r\n}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u901a\u8fc7CSS\u6837\u5f0f\u521d\u59cb\u5316\uff0c\u76f8\u4fe1\u80fd\u89e3\u51b3\u4e0d\u5c11\u5e38\u89c4\u7684\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u63a5\u4e0b\u6765\u518d\u770b\u770b\u6d4f\u89c8\u5668\u7684\u79c1\u6709\u5c5e\u6027\u3002<\/p>\n<p>2. \u6d4f\u89c8\u5668\u79c1\u6709\u5c5e\u6027<\/p>\n<p>\u6211\u4eec\u7ecf\u5e38\u4f1a\u5728\u67d0\u4e2aCSS\u7684\u5c5e\u6027\u524d\u6dfb\u52a0\u4e00\u4e9b\u524d\u7f00\uff0c\u6bd4\u5982-webkit-\uff0c-moz- \uff0c-ms-\uff0c\u8fd9\u4e9b\u5c31\u662f\u6d4f\u89c8\u5668\u7684\u79c1\u6709\u5c5e\u6027\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u79c1\u6709\u5c5e\u6027\u5462\uff1f\u8fd9\u662f\u56e0\u4e3a\u5236\u5b9aHTML\u548cCSS\u6807\u51c6\u7684\u7ec4\u7ec7W3C\u52a8\u4f5c\u662f\u5f88\u6162\u7684\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u6709W3C\u7ec4\u7ec7\u6210\u5458\u63d0\u51fa\u4e00\u4e2a\u65b0\u5c5e\u6027\uff0c\u6bd4\u5982\u8bf4\u5706\u89d2border-radius\uff0c\u5927\u5bb6\u90fd\u89c9\u5f97\u597d\uff0c\u4f46W3C\u5236\u5b9a\u6807\u51c6\uff0c\u8981\u8d70\u5f88\u590d\u6742\u7684\u7a0b\u5e8f\uff0c\u5ba1\u67e5\u7b49\u3002\u800c\u6d4f\u89c8\u5668\u5546\u5e02\u573a\u63a8\u5e7f\u65f6\u95f4\u7d27\uff0c\u5982\u679c\u4e00\u4e2a\u5c5e\u6027\u5df2\u7ecf\u591f\u6210\u719f\u4e86\uff0c\u5c31\u4f1a\u5728\u6d4f\u89c8\u5668\u4e2d\u52a0\u5165\u652f\u6301\u3002<\/p>\n<p>\u4f46\u662f\u4e3a\u907f\u514d\u65e5\u540eW3C\u516c\u5e03\u6807\u51c6\u65f6\u6709\u6240\u53d8\u66f4\uff0c\u4f1a\u52a0\u5165\u4e00\u4e2a\u79c1\u6709\u524d\u7f00\uff0c\u6bd4\u5982-webkit-border-radius\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u6765\u63d0\u524d\u652f\u6301\u65b0\u5c5e\u6027\u3002\u7b49\u5230\u65e5\u540eW3C\u516c\u5e03\u4e86\u6807\u51c6\uff0cborder-radius\u7684\u6807\u51c6\u5199\u6cd5\u786e\u7acb\u4e4b\u540e\uff0c\u518d\u8ba9\u65b0\u7248\u7684\u6d4f\u89c8\u5668\u652f\u6301border-radius\u8fd9\u79cd\u5199\u6cd5\u3002\u5e38\u7528\u7684\u524d\u7f00\u6709\uff1a<\/p>\n<ul>\n<li>-moz\u4ee3\u8868firefox\u6d4f\u89c8\u5668\u79c1\u6709\u5c5e\u6027<\/li>\n<li>-ms\u4ee3\u8868IE\u6d4f\u89c8\u5668\u79c1\u6709\u5c5e\u6027<\/li>\n<li>-webkit\u4ee3\u8868chrome\u3001safari\u79c1\u6709\u5c5e\u6027<\/li>\n<li>-o\u4ee3\u8868opera\u79c1\u6709\u5c5e\u6027<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u79c1\u6709\u5c5e\u6027\u7684\u987a\u5e8f\u8981\u6ce8\u610f\uff0c\u628a\u6807\u51c6\u5199\u6cd5\u653e\u5230\u6700\u540e\uff0c\u517c\u5bb9\u6027\u5199\u6cd5\u653e\u5230\u524d\u9762<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\"> -webkit-transform:rotate(-3deg); \/*\u4e3aChrome\/Safari*\/ \r\n -moz-transform:rotate(-3deg); \/*\u4e3aFirefox*\/ \r\n -ms-transform:rotate(-3deg); \/*\u4e3aIE*\/ \r\n -o-transform:rotate(-3deg); \/*\u4e3aOpera*\/ \r\n transform:rotate(-3deg);<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u6bcf\u4e2aCSS\u5c5e\u6027\u5199\u8fd9\u4e48\u4e00\u5806\u517c\u5bb9\u6027\u4ee3\u7801\uff0c\u65e0\u7591\u662f\u5bf9\u751f\u547d\u6700\u5927\u7684\u6d6a\u8d39\uff0c\u540e\u9762\u6211\u4eec\u4f1a\u8bb2\u4e00\u4e0b\u901a\u8fc7\u81ea\u52a8\u5316\u63d2\u4ef6\u6765\u5904\u7406\u8fd9\u5757\u3002<\/p>\n<p>3. CSS hack<\/p>\n<p>\u6709\u65f6\u6211\u4eec\u9700\u8981\u9488\u5bf9\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u6216\u4e0d\u540c\u7248\u672c\u5199\u7279\u5b9a\u7684CSS\u6837\u5f0f\uff0c\u8fd9\u79cd\u9488\u5bf9\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\/\u4e0d\u540c\u7248\u672c\u5199\u76f8\u5e94\u7684CSS code\u7684\u8fc7\u7a0b\uff0c\u53eb\u505aCSS hack!<\/p>\n<p>CSS hack\u7684\u5199\u6cd5\u5927\u81f4\u5f52\u7eb3\u4e3a3\u79cd\uff1a\u6761\u4ef6hack\u3001\u5c5e\u6027\u7ea7hack\u3001\u9009\u62e9\u7b26\u7ea7hack\u3002<\/p>\n<ul>\n<li>\u5404\u6e38\u89c8\u5668\u5e38\u7528\u517c\u5bb9\u6807\u8bb0\u4e00\u89c8\u8868:<\/li>\n<li>\n<table>\n<tbody>\n<tr>\n<th>\u6807\u8bb0<\/th>\n<th>IE6<\/th>\n<th>IE7<\/th>\n<th>IE8<\/th>\n<th>FF<\/th>\n<th>Opera<\/th>\n<th>Sarari<\/th>\n<\/tr>\n<tr>\n<td>[*+&gt;&lt;]<\/td>\n<td>\u221a<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>_<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>\\9<\/td>\n<td>\u221a<\/td>\n<td>\u221a<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>\\0<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>@media screen and (-webkit-min-device-pixel-ratio:0){.bb {}}<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<\/tr>\n<tr>\n<td>.bb , x:-moz-any-link, x:default<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>\u221a(ff3.5\u53ca\u4ee5\u4e0b)<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>@-moz-document url-prefix(){.bb{}}<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>@media all and (min-width: 0px){.bb {}}<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>\u221a<\/td>\n<td>\u221a<\/td>\n<\/tr>\n<tr>\n<td>* +html .bb {}<\/td>\n<td>X<\/td>\n<td>\u221a<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<tr>\n<td>\u6e38\u89c8\u5668\u5185\u6838<\/td>\n<td>Trident<\/td>\n<td>Trident<\/td>\n<td>Trident<\/td>\n<td>Gecko<\/td>\n<td>Presto<\/td>\n<td>WebKit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div>\uff08\u4ee5\u4e0a .bb \u53ef\u66f4\u6362\u4e3a\u5176\u5b83\u6837\u5f0f\u540d\uff09<\/div>\n<\/li>\n<\/ul>\n<p>4.\u81ea\u52a8\u5316\u63d2\u4ef6<\/p>\n<p>Autoprefixer\u662f\u4e00\u6b3e\u81ea\u52a8\u7ba1\u7406\u6d4f\u89c8\u5668\u524d\u7f00\u7684\u63d2\u4ef6\uff0c\u5b83\u53ef\u4ee5\u89e3\u6790CSS\u6587\u4ef6\u5e76\u4e14\u6dfb\u52a0\u6d4f\u89c8\u5668\u524d\u7f00\u5230CSS\u5185\u5bb9\u91cc\uff0c\u4f7f\u7528Can I Use\uff08caniuse\u7f51\u7ad9\uff09\u7684\u6570\u636e\u6765\u51b3\u5b9a\u54ea\u4e9b\u524d\u7f00\u662f\u9700\u8981\u7684\u3002<\/p>\n<p>\u628aAutoprefixer\u6dfb\u52a0\u5230\u8d44\u6e90\u6784\u5efa\u5de5\u5177\uff08\u4f8b\u5982Grunt\uff09\u540e\uff0c\u53ef\u4ee5\u5b8c\u5168\u5fd8\u8bb0\u6709\u5173CSS\u524d\u7f00\u7684\u4e1c\u897f\uff0c\u53ea\u9700\u6309\u7167\u6700\u65b0\u7684W3C\u89c4\u8303\u6765\u6b63\u5e38\u4e66\u5199CSS\u5373\u53ef\u3002\u5982\u679c\u9879\u76ee\u9700\u8981\u652f\u6301\u65e7\u7248\u6d4f\u89c8\u5668\uff0c\u53ef\u4fee\u6539browsers\u53c2\u6570\u8bbe\u7f6e \u3002<\/p>\n<pre class=\"hljs bash\"><code class=\"hljs bash copyable\" lang=\"bash\">\/\/\u6211\u4eec\u7f16\u5199\u7684\u4ee3\u7801 \r\ndiv { \r\n transform: rotate(30deg); \r\n} \r\n \r\n\/\/ \u81ea\u52a8\u8865\u5168\u7684\u4ee3\u7801\uff0c\u5177\u4f53\u8865\u5168\u54ea\u4e9b\u7531\u8981\u517c\u5bb9\u7684\u6d4f\u89c8\u5668\u7248\u672c\u51b3\u5b9a\uff0c\u53ef\u4ee5\u81ea\u884c\u8bbe\u7f6e \r\ndiv { \r\n -ms-transform: rotate(30deg); \r\n -webkit-transform: rotate(30deg); \r\n -o-transform: rotate(30deg); \r\n -moz-transform: rotate(30deg); \r\n transform: rotate(30deg); \r\n}<span class=\"copy-code-btn\">\u590d\u5236\u4ee3\u7801<\/span><\/code><\/pre>\n<p>\u76ee\u524dwebpack\u3001gulp\u3001grunt\u90fd\u6709\u76f8\u5e94\u7684\u63d2\u4ef6\uff0c\u5982\u679c\u8fd8\u6ca1\u6709\u4f7f\u7528\uff0c\u90a3\u5c31\u8d76\u7d27\u5e94\u7528\u5230\u6211\u4eec\u7684\u9879\u76ee\u4e2d\u5427\uff0c\u522b\u518d\u8ba9CSS\u517c\u5bb9\u6027\u6d6a\u8d39\u4f60\u7684\u65f6\u95f4\uff01<\/p>\n<div><\/div>\n<h3 data-id=\"heading-32\">14.\u638c\u63e1\u4e00\u5957\u5b8c\u6574\u7684\u54cd\u5e94\u5f0f\u5e03\u5c40\u65b9\u6848<\/h3>\n<p>\u6bd4\u8f83\u5e38\u7528\u7684\u5e03\u5c40\u65b9\u5f0f\u6709float,position,display,table,flex,grid\u7b49\u3002<\/p>\n<h4 data-id=\"heading-33\">\u5168\u5c4f\u5e03\u5c40\u76f8\u5173\u65b9\u6848\u7684\u517c\u5bb9\u6027\u3001\u6027\u80fd\u548c\u81ea\u9002\u5e94\u4e00\u89c8\u8868\uff1a<\/h4>\n<p><img decoding=\"async\" class=\"lazyload inited loaded\" src=\"https:\/\/user-gold-cdn.xitu.io\/2019\/12\/4\/16ed0761c30959b7?imageView2\/0\/w\/1280\/h\/960\/format\/webp\/ignore-error\/1\" alt=\"\" data-src=\"https:\/\/user-gold-cdn.xitu.io\/2019\/12\/4\/16ed0761c30959b7?imageView2\/0\/w\/1280\/h\/960\/format\/webp\/ignore-error\/1\" data-width=\"978\" data-height=\"156\" \/><\/p>\n<p>\u5b9e\u9645\u9879\u76ee\u4f7f\u7528\u4e2d\u4e00\u822c\u662f\u6839\u636e\u5177\u4f53\u573a\u666f\u53bb\u9009\u62e9\u76f8\u5e94\u7684\u5e03\u5c40\u65b9\u5f0f\u3002<\/p>\n<p>\u9644\u4e24\u5f20CSS\u77e5\u8bc6\u56fe\u8c31(\u5efa\u8bae\u6536\u85cf)\uff1a<\/p>\n<\/div>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/css\u57fa\u7840.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2724\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/css\u57fa\u7840.png\" alt=\"css\u57fa\u7840\" width=\"1905\" height=\"1703\" \/><\/a><\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/css\u91cd\u70b9.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2725\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/04\/css\u91cd\u70b9.png\" alt=\"css\u91cd\u70b9\" width=\"2226\" height=\"1798\" \/><\/a><\/p>\n<p>\u94fe\u63a5\uff1ahttps:\/\/juejin.im\/post\/5d8336d2f265da03df5f4a06<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.CSS\u76d2\u6a21\u578b\uff0c\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u5dee\u5f02 css \u6807\u51c6\u76d2\u5b50\u6a21\u578b css\u76d2\u5b50\u6a21\u578b \u53c8\u79f0\u4e3a\u6846\u6a21\u578b\uff08Box Model\uff09 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[109,105],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2720"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2720"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2720\/revisions"}],"predecessor-version":[{"id":2726,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2720\/revisions\/2726"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}