{"id":829,"date":"2021-12-18T19:43:29","date_gmt":"2021-12-18T11:43:29","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=829"},"modified":"2021-12-18T19:43:34","modified_gmt":"2021-12-18T11:43:34","slug":"css","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=829","title":{"rendered":"css"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69eca6e144ce5\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69eca6e144ce5\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%A6%82%E8%BF%B0\" >CSS\u6982\u8ff0<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%B1%82%E5%8F%A0%E6%AC%A1%E5%BA%8F\" >\u5c42\u53e0\u6b21\u5e8f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E8%AF%AD%E6%B3%95\" >CSS\u8bed\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E9%AB%98%E7%BA%A7%E8%AF%AD%E6%B3%95\" >CSS\u9ad8\u7ea7\u8bed\u6cd5<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E9%80%89%E6%8B%A9%E5%99%A8%E7%9A%84%E5%88%86%E7%BB%84\" >\u9009\u62e9\u5668\u7684\u5206\u7ec4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E9%80%9A%E9%85%8D%E7%AC%A6%E9%80%89%E6%8B%A9%E5%99%A8\" >\u901a\u914d\u7b26\u9009\u62e9\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E7%BB%A7%E6%89%BF%E5%8F%8A%E5%85%B6%E9%97%AE%E9%A2%98\" >\u7ee7\u627f\u53ca\u5176\u95ee\u9898<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%B4%BE%E7%94%9F%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS\u6d3e\u751f\u9009\u62e9\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%90%8E%E4%BB%A3%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS\u540e\u4ee3\u9009\u62e9\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%AD%90%E5%85%83%E7%B4%A0%E9%80%89%E6%8B%A9%E5%99%A8Child_Selectors\" >CSS\u5b50\u5143\u7d20\u9009\u62e9\u5668(Child Selectors)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E7%9B%B8%E9%82%BB%E5%85%84%E5%BC%9F%E9%80%89%E6%8B%A9%E5%99%A8Adjacent_sibling_selector\" >CSS\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668(Adjacent sibling selector)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS_id%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS id\u9009\u62e9\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E7%B1%BB%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS\u7c7b\u9009\u62e9\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%A4%9A%E7%B1%BB%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS\u591a\u7c7b\u9009\u62e9\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%B1%9E%E6%80%A7%E9%80%89%E6%8B%A9%E5%99%A8\" >CSS\u5c5e\u6027\u9009\u62e9\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%B1%9E%E6%80%A7%E9%80%89%E6%8B%A9%E5%99%A8\" >\u5c5e\u6027\u9009\u62e9\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8\" >\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8-%E5%A4%9A%E4%B8%AA%E5%80%BC\" >\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668-\u591a\u4e2a\u503c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8-%E5%A4%9A%E4%B8%AA%E5%B1%9E%E6%80%A7\" >\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668-\u591a\u4e2a\u5c5e\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E9%80%89%E6%8B%A9%E5%99%A8%E5%8F%82%E8%80%83%E6%89%8B%E5%86%8C\" >CSS\u9009\u62e9\u5668\u53c2\u8003\u624b\u518c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%88%9B%E5%BB%BA\" >CSS\u521b\u5efa<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%A0%B7%E5%BC%8F\" >CSS\u6837\u5f0f<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E8%83%8C%E6%99%AF\" >CSS\u80cc\u666f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%96%87%E6%9C%AC\" >CSS\u6587\u672c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%AD%97%E4%BD%93\" >CSS\u5b57\u4f53<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E9%93%BE%E6%8E%A5\" >CSS\u94fe\u63a5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%88%97%E8%A1%A8\" >CSS\u5217\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E8%A1%A8%E6%A0%BC\" >CSS\u8868\u683c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E8%BD%AE%E5%BB%93\" >CSS\u8f6e\u5ed3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%A1%86%E6%A8%A1%E5%9E%8B\" >CSS\u6846\u6a21\u578b<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%A1%86%E6%A8%A1%E5%9E%8B%E6%A6%82%E8%BF%B0\" >CSS\u6846\u6a21\u578b\u6982\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%86%85%E8%BE%B9%E8%B7%9D\" >CSS\u5185\u8fb9\u8ddd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E8%BE%B9%E6%A1%86\" >CSS\u8fb9\u6846<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%A4%96%E8%BE%B9%E8%B7%9D\" >CSS\u5916\u8fb9\u8ddd<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS_margin%E5%B1%9E%E6%80%A7\" >CSS margin\u5c5e\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%80%BC%E5%A4%8D%E5%88%B6\" >CSS\u503c\u590d\u5236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E5%8D%95%E8%BE%B9%E5%A4%96%E8%BE%B9%E8%B7%9D%E5%B1%9E%E6%80%A7\" >\u5355\u8fb9\u5916\u8fb9\u8ddd\u5c5e\u6027<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%A4%96%E8%BE%B9%E8%B7%9D%E5%90%88%E5%B9%B6\" >CSS\u5916\u8fb9\u8ddd\u5408\u5e76<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#%E6%A1%86%E5%85%83%E7%B4%A0%E5%92%8C%E8%A1%8C%E5%86%85%E5%85%83%E7%B4%A0%E7%9A%84%E8%BE%A8%E6%9E%90\" >\u6846\u5143\u7d20\u548c\u884c\u5185\u5143\u7d20\u7684\u8fa8\u6790<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E5%AE%9A%E4%BD%8D%E6%9C%BA%E5%88%B6\" >CSS\u5b9a\u4f4d\u673a\u5236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS_position%E5%B1%9E%E6%80%A7\" >CSS position\u5c5e\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E7%9B%B8%E5%AF%B9%E5%AE%9A%E4%BD%8D\" >CSS\u76f8\u5bf9\u5b9a\u4f4d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E7%BB%9D%E5%AF%B9%E5%AE%9A%E4%BD%8D\" >CSS\u7edd\u5bf9\u5b9a\u4f4d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E6%B5%AE%E5%8A%A8\" >CSS\u6d6e\u52a8<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E4%BC%AA%E7%B1%BB%E4%B8%8E%E4%BC%AA%E5%85%83%E7%B4%A0\" >CSS\u4f2a\u7c7b\u4e0e\u4f2a\u5143\u7d20<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=829\/#CSS%E4%BC%AA%E7%B1%BB\" >CSS\u4f2a\u7c7b<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\" id=\"csse6a682e8bfb0-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%A6%82%E8%BF%B0\"><\/span>CSS\u6982\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\"><li>CSS\u6307\u5c42\u53e0\u6837\u5f0f\u8868(Cascading Style Sheets)<\/li><li>\u6837\u5f0f\u5b9a\u4e49\u5982\u4f55\u663e\u793aHTML\u5143\u7d20<\/li><li>\u6837\u5f0f\u901a\u5e38\u5b58\u50a8\u5728\u6837\u5f0f\u8868\u4e2d<\/li><li>\u628a\u6837\u5f0f\u6dfb\u52a0\u5230HTML 4.0 \u4e2d\uff0c\u662f\u4e3a\u4e86\u89e3\u51b3\u5185\u5bb9\u4e0e\u8868\u73b0\u5206\u79bb\u7684\u95ee\u9898<\/li><li>\u5916\u90e8\u6837\u5f0f\u8868\u53ef\u7528\u6781\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387<\/li><li>\u5916\u90e8\u6837\u5f0f\u8868\u901a\u5e38\u5b58\u50a8\u5728CSS\u6587\u4ef6\u4e2d<\/li><li>\u591a\u4e2a\u6837\u5f0f\u5b9a\u4e49\u53ef\u5c42\u53e0\u4e3a\u4e00<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"e5b182e58fa0e6aca1e5ba8f-1\"><span class=\"ez-toc-section\" id=\"%E5%B1%82%E5%8F%A0%E6%AC%A1%E5%BA%8F\"><\/span>\u5c42\u53e0\u6b21\u5e8f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u5f53\u540c\u4e00\u4e2aHTML\u5143\u7d20\u88ab\u4e0d\u6b62\u4e00\u4e2a\u6837\u5f0f\u5b9a\u4e49\u65f6\uff0c\u4f1a\u4f7f\u7528\u54ea\u4e2a\u6837\u5f0f\u5462?<\/strong><br>\u4e00\u822c\u800c\u8a00\uff0c\u6240\u6709\u7684\u6837\u5f0f\u4f1a\u6839\u636e\u4e0b\u9762\u7684\u89c4\u5219\u5c42\u53e0\u4e8e\u4e00\u4e2a\u65b0\u7684\u865a\u62df\u6837\u5f0f\u8868\u4e2d\uff0c\u5176\u4e2d\u6570\u5b574\u62e5\u6709\u6700\u9ad8\u7684\u4f18\u5148\u6743\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6d4f\u89c8\u5668\u7f3a\u7701\u8bbe\u7f6e<\/li><li>\u5916\u90e8\u6837\u5f0f\u8868<\/li><li>\u5185\u90e8\u6837\u5f0f\u8868(\u4f4d\u4e8e&lt;head&gt;\u6807\u7b7e\u5185\u90e8)<\/li><li>\u5185\u8054\u6837\u5f0f(\u5728HTML\u5143\u7d20\u5185\u90e8)<\/li><\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5185\u8054\u6837\u5f0f(\u5728HTML\u5143\u7d20\u5185\u90e8)\u62e5\u6709\u6700\u9ad8\u7684\u4f18\u5148\u6743\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u4f18\u5148\u4e8e\u4ee5\u4e0b\u7684\u6837\u5f0f\u58f0\u660e\uff1a&lt;head&gt;\u6807\u7b7e\u4e2d\u7684\u6837\u5f0f\u58f0\u660e,\u5916\u90e8\u6837\u5f0f\u8868\u4e2d\u7684\u6837\u5f0f\u58f0\u660e\uff0c\u6216\u8005\u6d4f\u89c8\u5668\u4e2d\u7684\u6837\u5f0f\u58f0\u660e(\u7f3a\u7701\u503c)\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"csse8afade6b395-1\"><span class=\"ez-toc-section\" id=\"CSS%E8%AF%AD%E6%B3%95\"><\/span>CSS\u8bed\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>CSS\u89c4\u5219\u7531\u4e24\u4e2a\u4e3b\u8981\u7684\u90e8\u5206\u6784\u6210\uff1a\u9009\u62e9\u5668\uff0c\u4ee5\u53ca\u4e00\u6761\u6216\u591a\u6761\u58f0\u660e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector {declaration1; declaration2; ... declarationN }  \n<\/code><\/pre>\n\n\n\n<p>\u9009\u62e9\u5668\u901a\u5e38\u662f\u60a8\u9700\u8981\u6539\u53d8\u6837\u5f0f\u7684HTML\u5143\u7d20\u3002<br>\u6bcf\u6761\u58f0\u660e\u7531\u4e00\u4e2a\u5c5e\u6027\u548c\u4e00\u4e2a\u503c\u7ec4\u6210\u3002<br>\u5c5e\u6027(property)\u662f\u60a8\u5e0c\u671b\u8bbe\u7f6e\u7684\u6837\u5f0f\u5c5e\u6027(style attribute)\u3002\u6bcf\u4e2a\u5c5e\u6027\u6709\u4e00\u4e2a\u503c\u3002\u5c5e\u6027\u548c\u503c\u88ab\u5192\u53f7\u5206\u5f00\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector {property: value}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0ch1\u662f\u9009\u62e9\u5668\uff0ccolor\u548cfont-size\u662f\u5c5e\u6027,red\u548c14px\u662f\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 {color:red; font-size:14px;}\n<\/code><\/pre>\n\n\n\n<p><strong>\u8bb0\u5f97\u5199\u5f15\u53f7<\/strong><br>\u5982\u679c\u503c\u4e3a\u82e5\u5e72\u5355\u8bcd\uff0c\u5219\u8981\u7ed9\u503c\u52a0\u5f15\u53f7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p {font-family: \"sans serif\";}\n<\/code><\/pre>\n\n\n\n<p><strong>\u7a7a\u683c\u4e0e\u5927\u5c0f\u5199<\/strong><br>\u662f\u5426\u5305\u542b\u7a7a\u683c\u4e0d\u4f1a\u5f71\u54cdCSS\u5728\u6d4f\u89c8\u5668\u7684\u5de5\u4f5c\u6548\u679c\uff0c\u540c\u6837\uff0c\u4e0eXHTML\u4e0d\u540c\uff0cCSS\u5bf9\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u3002\u4e0d\u8fc7\u5b58\u5728\u4e00\u4e2a\u4f8b\u5916\uff1a\u5982\u679c\u6d89\u53ca\u5230\u4e0eHTML\u6587\u6863\u4e00\u8d77\u5de5\u4f5c\u7684\u8bdd\uff0cclass\u548cid\u540d\u79f0\u5bf9\u5927\u5c0f\u5199\u65f6\u654f\u611f\u7684\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"csse9ab98e7baa7e8afade6b395-1\"><span class=\"ez-toc-section\" id=\"CSS%E9%AB%98%E7%BA%A7%E8%AF%AD%E6%B3%95\"><\/span>CSS\u9ad8\u7ea7\u8bed\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"e98089e68ba9e599a8e79a84e58886e7bb84-1\"><span class=\"ez-toc-section\" id=\"%E9%80%89%E6%8B%A9%E5%99%A8%E7%9A%84%E5%88%86%E7%BB%84\"><\/span>\u9009\u62e9\u5668\u7684\u5206\u7ec4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u7528\u5bf9\u9009\u62e9\u5668\u8fdb\u884c\u5206\u7ec4\uff0c\u8fd9\u6837\uff0c\u88ab\u5206\u7ec4\u7684\u9009\u62e9\u5668\u5c31\u53ef\u4ee5\u5206\u4eab\u76f8\u540c\u7684\u58f0\u660e\u3002\u7528\u9017\u53f7\u5c06\u9700\u8981\u5206\u7ec4\u7684\u9009\u62e9\u5668\u5206\u5f00\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u6240\u6709\u7684\u6807\u9898\u5143\u7d20\u8fdb\u884c\u4e86\u5206\u7ec4\u3002\u6240\u6709\u7684\u6807\u9898\u90fd\u662f\u7eff\u8272\u7684\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1, h2, h3, h4, h5, h6 {\n    color: green;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e9809ae9858de7aca6e98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"%E9%80%9A%E9%85%8D%E7%AC%A6%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>\u901a\u914d\u7b26\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>CSS2\u5f15\u5165\u4e86\u4e00\u79cd\u65b0\u7684\u7b80\u5355\u9009\u62e9\u5668-\u901a\u914d\u9009\u62e9\u5668(universal selector),\u663e\u793a\u4e3a\u4e00\u4e2a\u661f\u53f7(*)\u3002\u8be5\u9009\u62e9\u5668\u53ef\u7528\u4e0e\u4efb\u4f55\u5143\u7d20\u5339\u914d\uff0c\u5c31\u50cf\u662f\u4e00\u4e2a\u901a\u914d\u7b26\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"e7bba7e689bfe58f8ae585b6e997aee9a298-1\"><span class=\"ez-toc-section\" id=\"%E7%BB%A7%E6%89%BF%E5%8F%8A%E5%85%B6%E9%97%AE%E9%A2%98\"><\/span>\u7ee7\u627f\u53ca\u5176\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6839\u636eCSS,\u5b50\u5143\u7d20\u4ece\u7236\u5143\u7d20\u7ee7\u627f\u5c5e\u6027\u3002\u4f46\u662f\u5b83\u5e76\u4e0d\u603b\u662f\u6309\u6b64\u65b9\u5f0f\u5de5\u4f5c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">body {\n    font-family: Verdana, sans-serif;\n}\n<\/code><\/pre>\n\n\n\n<p>\u7531\u4e8e\u6d4f\u89c8\u5668\u7ade\u4e89\u5173\u7cfb\uff0c\u6b64\u6807\u51c6\u4e0d\u4e00\u5b9a\u4f1a\u88ab\u9075\u5faa\uff1f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse6b4bee7949fe98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%B4%BE%E7%94%9F%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS\u6d3e\u751f\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u901a\u8fc7\u4f9d\u636e\u5143\u7d20\u5728\u5176\u4f4d\u7f6e\u7684\u4e0a\u4e0b\u6587\u5173\u7cfb\u6765\u5b9a\u4e49\u6837\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u6807\u8bb0\u66f4\u52a0\u7b80\u6d01\u3002<\/strong><br>\u5728CSS1\u4e2d\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u6765\u5e94\u7528\u89c4\u5219\u7684\u9009\u62e9\u5668\u88ab\u79f0\u4e3a\u4e0a\u4e0b\u5348\u9009\u62e9\u5668(contextual selectors)\uff0c\u8fd9\u662f\u7531\u4e8e\u5b83\u4eec\u4f9d\u8d56\u4e8e\u4e0a\u4e0b\u5348\u5173\u7cfb\u6765\u5e94\u7528\u6216\u8005\u907f\u514d\u67d0\u9879\u89c4\u5219\u3002\u5728CSS2\u4e2d\uff0c\u5b83\u4eec\u88ab\u79f0\u4e3a\u6d3e\u751f\u9009\u62e9\u5668\u3002<br><strong>\u6d3e\u751f\u9009\u62e9\u5668<\/strong>\u5141\u8bb8\u6839\u636e\u6587\u6863\u7684\u4e0a\u4e0b\u5348\u5173\u7cfb\u6765\u786e\u5b9a\u67d0\u4e2a\u6807\u7b7e\u7684\u6837\u5f0f\u3002\u901a\u8fc7\u5408\u7406\u5730\u4f7f\u7528\u6d3e\u751f\u9009\u62e9\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7fHTML\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u6574\u6d01\u3002<br>\u4e0b\u9762\u7684\u4ee3\u7801\u4f7f\u5217\u8868\u4e2d\u7684strong\u5143\u7d20\u53d8\u4e3a\u659c\u4f53\u5b57,\u800c\u4e0d\u662f\u666e\u901a\u7684\u7c97\u4f53\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">li strong {\n    font-style: italic;\n    font-weight: normal;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse5908ee4bba3e98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%90%8E%E4%BB%A3%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS\u540e\u4ee3\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u540e\u4ee3\u9009\u62e9\u5668(descendant selector)\u53c8\u79f0\u4e3a\u5305\u542b\u9009\u62e9\u5668\u3002<\/strong><br>\u540e\u4ee3\u9009\u62e9\u5668\u53ef\u7528\u9009\u62e9\u4f5c\u4e3a\u67d0\u5143\u7d20\u540e\u4ee3\u7684\u5143\u7d20\u3002<br><strong>\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u7684\u5c42\u6b21\u95f4\u9694\u53ef\u4ee5\u662f\u65e0\u9650\u7684\u3002<\/strong><br>\u5bf9h1\u5143\u7d20\u4e2d\u7684em\u5143\u7d20\u5e94\u7528\u6837\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 em {color:red;}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse5ad90e58583e7b4a0e98089e68ba9e599a8child-selectors-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%AD%90%E5%85%83%E7%B4%A0%E9%80%89%E6%8B%A9%E5%99%A8Child_Selectors\"><\/span>CSS\u5b50\u5143\u7d20\u9009\u62e9\u5668(Child Selectors)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u4e0e\u540e\u4ee3\u9009\u62e9\u5668\u76f8\u6bd4\uff0c\u5b50\u5143\u7d20\u9009\u62e9\u5668(Child Selectors)\u53ea\u80fd\u9009\u62e9\u4f5c\u4e3a\u67d0\u5143\u7d20\u5b50\u5143\u7d20\u7684\u5143\u7d20\u3002<\/strong><br>\u4e0e\u540e\u4ee3\u9009\u62e9\u5668\u5728\u5199\u6cd5\u4e0a\u7684\u533a\u522b\u662f\uff0c\u4e0d\u7528\u7a7a\u683c\u76f8\u8fde\u63a5\uff0c\u800c\u662f\u7528&#8221;&gt;&#8221;\u8fde\u63a5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 &gt; strong {color:red;}\n<\/code><\/pre>\n\n\n\n<p>\u5b50\u7ed3\u5408\u7b26(&#8220;&gt;&#8221;)\u4e24\u8fb9\u53ef\u4ee5\u6709\u7a7a\u767d\u7b26(\u53ef\u9009)\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse79bb8e982bbe58584e5bc9fe98089e68ba9e599a8adjacent-sibling-selector-1\"><span class=\"ez-toc-section\" id=\"CSS%E7%9B%B8%E9%82%BB%E5%85%84%E5%BC%9F%E9%80%89%E6%8B%A9%E5%99%A8Adjacent_sibling_selector\"><\/span>CSS\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668(Adjacent sibling selector)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668(Adjacent sibling selector)\u53ef\u9009\u62e9\u7d27\u90bb\u5728\u53e6\u4e00\u5143\u7d20\u540e\u7684\u5143\u7d20\uff0c\u4e14\u4e8c\u8005\u5177\u6709\u76f8\u540c\u7684\u5143\u7d20\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u9009\u62e9\u76f8\u90bb\u5144\u5f1f<br>\u5982\u679c\u9700\u8981\u9009\u7d27\u7d27\u63a5\u5728\u53e6\u4e00\u4e2a\u5143\u7d20\u540e\u7684\u5143\u7d20\uff0c\u800c\u4e14\u4e8c\u8005\u6709\u76f8\u540c\u7684\u7236\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668(Adjacent sibling selector)\u3002<br>\u4f8b\u5982\uff0c\u5982\u679c\u8981\u589e\u52a0\u7d27\u63a5\u5728h1\u5143\u7d20\u540e\u51fa\u73b0\u7684\u6bb5\u843d\u7684\u4e0a\u8fb9\u8ddd\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 + p { margin-top: 50px;}\n<\/code><\/pre>\n\n\n\n<p>\u4e0e\u5b50\u7ed3\u5408\u7b26\u4e00\u6837\uff0c\u76f8\u90bb\u5144\u5f1f\u7ed3\u5408\u7b26\u65c1\u8fb9\u53ef\u4ee5\u6709\u7a7a\u767d\u7b26\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"css-ide98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS_id%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS id\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>id\u9009\u62e9\u5668\u53ef\u4ee5\u4e3a\u6807\u6709\u7279\u5b9aid\u7684HTML\u5143\u7d20\u6307\u5b9a\u7279\u5b9a\u7684\u6837\u5f0f\u3002<\/strong><br>id\u9009\u62e9\u5668\u4ee5\u201c#\u201d\u6765\u5b9a\u4e49\u3002<br>HTML\u548cXTHML\u5c06\u7c7b\u548cID\u503c\u5b9a\u4e49\u4e3a\u533a\u5206\u5927\u5c0f\u5199\uff0c\u6240\u4ee5\u7c7b\u548cID\u503c\u7684\u5927\u5c0f\u5199\u5fc5\u987b\u4e0e\u6587\u6863\u4e2d\u7684\u76f8\u5e94\u503c\u5339\u914d\u3002<br>\u4e0b\u9762\u662f\u4ee3\u7801\u793a\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">#red {color: red;}\n#green {color: green;}\n<\/code><\/pre>\n\n\n\n<p><strong>\u5728\u73b0\u4ee3\u5e03\u5c40\u4e2d\uff0cid\u9009\u62e9\u5668\u5e38\u5e38\u7528\u4e8e\u5efa\u7acb\u6d3e\u751f\u9009\u62e9\u5668\u3002<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">#sidebar p {\n\tfont-style: italic;\n\ttext-align: right;\n\tmargin-top: 0.5em;\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse7b1bbe98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E7%B1%BB%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS\u7c7b\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u5728CSS\u4e2d\uff0c\u7c7b\u9009\u62e9\u5668\u4ee5\u4e00\u4e2a\u70b9\u53f7\u663e\u793a\u3002<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">.center {text-aligh: center}\n<\/code><\/pre>\n\n\n\n<p><em>\u6ce8\u610f\uff1a\u7c7b\u540d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e0d\u80fd\u4f7f\u7528\u6570\u5b57!\u5b83\u65e0\u6cd5\u5728Mozilla\u6216Firefox\u4e2d\u8d77\u4f5c\u7528\u3002<\/em><br>\u548cid\u4e00\u6837\uff0cclass\u4e5f\u53ef\u88ab\u7528\u4f5c\u6d3e\u751f\u9009\u62e9\u5668\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">.fancy td {\n    color: #f60;\n    background: #666;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7c7b\u540d\u4e3afancy\u7684\u66f4\u5927\u5143\u7d20\u5185\u90e8\u7684\u8868\u683c\u5355\u5143\u90fd\u4f1a\u4ee5\u7070\u8272\u80cc\u666f\u663e\u793a\u6a59\u8272\u6587\u5b57\u3002<br><strong>\u5143\u7d20\u4e5f\u53ef\u4ee5\u57fa\u4e8e\u5b83\u4eec\u7684\u7c7b\u800c\u88ab\u9009\u62e9\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">td.fancy {\n\tcolor: #f60;\n\tbackground: #666;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse5a49ae7b1bbe98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%A4%9A%E7%B1%BB%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS\u591a\u7c7b\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5982\u679cclass\u503c\u5305\u542b\u4e86\u4e00\u4e2a\u8bcd\u5217\u8868\u800c\u4e0d\u662f\u4e00\u4e2a\u8bcd\uff0c\u5219\u5c06\u6bcf\u4e2a\u8bcd\u5bf9\u5e94\u7684\u7c7b\u9009\u62e9\u5668\u8fde\u5728\u4e00\u8d77\u5373\u5f62\u6210\u4e86\u6b64class\u5bf9\u5e94\u7684\u591a\u7c7b\u9009\u62e9\u5668\u3002<br>\u53c2\u8003\u4e0b\u9762\u5143\u7d20\u7684class\u5c5e\u6027\u548c\u5176css\u9009\u62e9\u5668(\u6700\u540e\u4e00\u884c\u90a3\u4e2a)\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;p class=\"important warning\"&gt;\nThis paragraph is a very important warning.\n&lt;\/p&gt;\n\n.important {font-weight:bold;}\n.warning {font-style:italic;}\n.important.warning {background:silver;}\n<\/code><\/pre>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a.important\u662f\u4e0d\u80fd\u5339\u914dclass=&#8221;important warning&#8221;\u7684\uff0c\u5fc5\u987b\u662fclass=&#8221;important&#8221;\u624d\u80fd\u5339\u914d\u3002\u4e5f\u5c31\u662f\u7c7b\u9009\u62e9\u5668\u662f\u5168\u5339\u914d\u7684\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse5b19ee680a7e98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%B1%9E%E6%80%A7%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>CSS\u5c5e\u6027\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u5bf9\u5e26\u6709\u6307\u5b9a\u5c5e\u6027\u7684HTML\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f\u3002<\/strong><br>\u53ef\u7528\u4e3a\u62e5\u6709\u6307\u5b9a\u5c5e\u6027\u7684HTML\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f\uff0c\u800c\u4e0d\u4ec5\u9650\u4e8eclass\u548cid\u5c5e\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e5b19ee680a7e98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"%E5%B1%9E%E6%80%A7%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>\u5c5e\u6027\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e0b\u9762\u7684\u4f8b\u5b50\u4e3a\u5e26\u6709title\u5c5e\u6027\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">[title]{\n    color: red;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e5b19ee680a7e5928ce580bce98089e68ba9e599a8-1\"><span class=\"ez-toc-section\" id=\"%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8\"><\/span>\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e0b\u9762\u7684\u4f8b\u5b50\u4e3atitle=&#8221;W3School&#8221;\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">[title=W3School]\n{\nborder:5px solid blue;\n}\n<\/code><\/pre>\n\n\n\n<p><strong>\u6ce8\u610f\uff0c\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668\u91cc\u7684[att=&#8217;val&#8217;]\u8fd9\u79cd\u662f\u8981\u6c42\u5168\u5339\u914d\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e5b19ee680a7e5928ce580bce98089e68ba9e599a8-e5a49ae4b8aae580bc-1\"><span class=\"ez-toc-section\" id=\"%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8-%E5%A4%9A%E4%B8%AA%E5%80%BC\"><\/span>\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668-\u591a\u4e2a\u503c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e0b\u9762\u7684\u4f8b\u5b50\u4e3a\u5305\u542b\u6307\u5b9a\u503c\u5f97title\u5c5e\u6027\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f\u3002\u9002\u7528\u4e8e\u7531\u7a7a\u683c\u5206\u9694\u7684\u5c5e\u6027\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">[title~=hello]{\n    color: red;\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u7684\u4f8b\u5b50\u4e3a\u5e26\u6709\u5305\u542b\u6307\u5b9a\u503c\u7684lang\u5c5e\u6027\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u6837\u5f0f\u3002\u9002\u7528\u4e8e\u7531\u8fde\u5b57\u7b26\u5206\u9694\u7684\u5c5e\u6027\u503c:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">[lang|=en]{\n    color:red;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e5b19ee680a7e5928ce580bce98089e68ba9e599a8-e5a49ae4b8aae5b19ee680a7-1\"><span class=\"ez-toc-section\" id=\"%E5%B1%9E%E6%80%A7%E5%92%8C%E5%80%BC%E9%80%89%E6%8B%A9%E5%99%A8-%E5%A4%9A%E4%B8%AA%E5%B1%9E%E6%80%A7\"><\/span>\u5c5e\u6027\u548c\u503c\u9009\u62e9\u5668-\u591a\u4e2a\u5c5e\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">a[href][title] {color:red;}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse98089e68ba9e599a8e58f82e88083e6898be5868c-1\"><span class=\"ez-toc-section\" id=\"CSS%E9%80%89%E6%8B%A9%E5%99%A8%E5%8F%82%E8%80%83%E6%89%8B%E5%86%8C\"><\/span>CSS\u9009\u62e9\u5668\u53c2\u8003\u624b\u518c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>[attribute],\u7528\u4e8e\u9009\u53d6\u5e26\u6709\u6307\u5b9a\u5c5e\u6027\u7684\u5143\u7d20\u3002<\/li><li>[attribute=value],\u7528\u4e8e\u9009\u53d6\u5e26\u6709\u6307\u5b9a\u5c5e\u6027\u548c\u503c\u5f97\u5143\u7d20,\u5168\u5339\u914d\u3002<\/li><li>[attribute~=value],\u7528\u4e8e\u9009\u53d6\u5c5e\u6027\u503c\u4e2d\u5305\u542b\u6307\u5b9a\u8bcd\u6c47\u7684\u5143\u7d20\u3002<\/li><li>[attribute|=value],\u7528\u4e8e\u9009\u53d6\u5e26\u6709\u4ee5\u6307\u5b9a\u503c\u5f00\u5934\u7684\u5c5e\u6027\u503c\u7684\u5143\u7d20\uff0c\u8be5\u503c\u5fc5\u987b\u662f\u6574\u4e2a\u5355\u8bcd\u3002<br>\u5982[lang|=&#8221;en&#8221;]\uff0c\u5219\u5fc5\u987b\u662flang=&#8221;en&#8221;,\u6216\u8005\u540e\u9762\u8ddf\u7740\u8fde\u5b57\u7b26\uff1alang=&#8221;en-us&#8221;\u3002<\/li><li>[attribute^=value],\u5339\u914d\u5c5e\u6027\u503c\u4ee5\u6307\u5b9a\u503c\u5f00\u5934\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li><li>[attribute$=value],\u5339\u914d\u5c5e\u6027\u503c\u4ee5\u6307\u5b9a\u503c\u7ed3\u5c3e\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li><li>[attribute*=value],\u5339\u914d\u5c5e\u6027\u503c\u4e2d\u5305\u542b\u6307\u5b9a\u503c\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse5889be5bbba-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%88%9B%E5%BB%BA\"><\/span>CSS\u521b\u5efa<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u63d2\u5165\u6837\u5f0f\u8868\u7684\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5916\u90e8\u6837\u5f0f\u8868<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;head&gt;\n&lt;link rel=\"stylesheet\" type=\"text\/css\" href=\"mystyle.css\" \/&gt;\n&lt;\/head&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5916\u90e8\u6837\u5f0f\u8868\u4e0d\u80fd\u5305\u542b\u4efb\u4f55\u7684html\u6807\u7b7e\uff0c\u4e14\u5e94\u8be5\u4ee5.css\u6269\u5c55\u540d\u8fdb\u884c\u4fdd\u5b58\u3002<br>\u4e0d\u8981\u5728\u5c5e\u6027\u503c\u4e0e\u5355\u4f4d\u4e4b\u95f4\u7559\u6709\u7a7a\u683c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5185\u90e8\u6837\u5f0f\u8868<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;head&gt;\n&lt;style type=\"text\/css\"&gt;\n  hr {color: sienna;}\n  p {margin-left: 20px;}\n  body {background-image: url(\"images\/back40.gif\");}\n&lt;\/style&gt;\n&lt;\/head&gt;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5185\u8054\u6837\u5f0f<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;p style=\"color: sienna; margin-left: 20px\"&gt;\nThis is a paragraph\n&lt;\/p&gt;\n<\/code><\/pre>\n\n\n\n<p><strong>\u591a\u91cd\u6837\u5f0f\u7684\u5c5e\u6027\u9009\u62e9\u95ee\u9898<\/strong><br>\u5982\u679c\u540c\u4e00\u4e2a\u5c5e\u6027\u5728\u5185\u8054\u3001\u5185\u90e8\u6837\u5f0f\u8868\u3001\u5916\u90e8\u6837\u5f0f\u8868\u4e2d\u5747\u6709\u5b9a\u4e49\uff0c\u90a3\u4e48\u5185\u8054&gt;\u5185\u90e8\u6837\u5f0f\u8868&gt;\u5916\u90e8\u6837\u5f0f\u8868\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"csse6a0b7e5bc8f-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%A0%B7%E5%BC%8F\"><\/span>CSS\u6837\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse8838ce699af-1\"><span class=\"ez-toc-section\" id=\"CSS%E8%83%8C%E6%99%AF\"><\/span>CSS\u80cc\u666f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u901a\u8fc7CSS\u9009\u62e9\u5668\u4e3a\u6307\u5b9a\u5143\u7d20\u8bbe\u7f6e\u80cc\u666f\uff0c\u800c\u4e0d\u662f\u4ec5\u4ec5\u4e3abody\u8bbe\u7f6e\u80cc\u666f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u80cc\u666f\u8272<br>\u4f7f\u7528background-color\u5c5e\u6027<\/li><li>\u80cc\u666f\u56fe\u50cf<br>\u4f7f\u7528background-image\u5c5e\u6027,\u9700\u8981\u7528url\u6307\u5b9a\u56fe\u50cf\u4f4d\u7f6e\uff0c\u9ed8\u8ba4\u503c\u662fnone,\u8868\u793a\u6ca1\u6709\u4efb\u4f55\u56fe\u50cf\u3002<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">body {background-image: url(\/i\/eg_bg_04.gif);}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u80cc\u666f\u91cd\u590d \u4f7f\u7528background-repeat\u5c5e\u6027\u3002<\/li><li>\u80cc\u666f\u5b9a\u4f4d<br>\u4f7f\u7528background-position\u5c5e\u6027\u3002<\/li><li>\u80cc\u666f\u5173\u8054<br>\u4f7f\u7528background-attachment\u5c5e\u6027(\u6307\u5b9a\u503c\u4e3afixed\u5373\u53ef,\u9ed8\u8ba4\u503c\u662fscroll)\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse69687e69cac-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%96%87%E6%9C%AC\"><\/span>CSS\u6587\u672c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u6587\u672c\u5c5e\u6027\u53ef\u4ee5\u5b9a\u4e49\u6587\u672c\u7684\u5916\u89c2\u3002<\/strong><br><strong>\u901a\u8fc7\u6587\u672c\u5c5e\u6027\uff0c\u60a8\u53ef\u4ee5\u6539\u53d8\u6587\u672c\u7684\u989c\u8272\u3001\u5b57\u7b26\u95f4\u8ddd\uff0c\u5bf9\u9f50\u6587\u672c\uff0c\u88c5\u9970\u6587\u672c\uff0c\u5bf9\u6587\u672c\u8fdb\u884c\u7f29\u8fdb\uff0c\u7b49\u5f85\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7f29\u8fdb\u6587\u672c<br>\u53ef\u4f7f\u7528text-indent\u5c5e\u6027\u5bf9\u5143\u7d20\u7684\u7b2c\u4e00\u884c\u6587\u5b57\u8bbe\u5b9a\u7f29\u8fdb\u3002<\/li><li>\u6c34\u5e73\u5bf9\u9f50<br>\u4f7f\u7528text-align\u5c5e\u6027\u3002<\/li><li>\u5b57\u95f4\u9694<br>\u4f7f\u7528word-spacing\u5c5e\u6027\u3002<\/li><li>\u5b57\u6bcd\u95f4\u9694<br>\u4f7f\u7528letter-spacing\u5c5e\u6027\u3002\u4e0eword-spacing\u7684\u533a\u522b\u5728\u4e8e\uff0c\u5b57\u6bcd\u95f4\u9694\u4fee\u6539\u7684\u662f\u5b57\u7b26\u6216\u5b57\u6bcd\u4e4b\u95f4\u7684\u95f4\u9694\u3002<\/li><li>\u5b57\u7b26\u8f6c\u6362<br>text-transform\u5c5e\u6027\u5904\u7406\u6587\u672c\u7684\u5927\u5c0f\u5199\u3002\u8fd9\u4e2a\u5c5e\u6027\u67094\u4e2a\u503c\uff1a<ul><li>none<\/li><li>uppercase<\/li><li>lowercase<\/li><li>capitalize<\/li><\/ul><\/li><li>\u6587\u672c\u88c5\u9970<br>text-decoration\u67095\u4e2a\u503c\uff1a<ul><li>none<\/li><li>underline<\/li><li>overline<\/li><li>line-through<\/li><li>blink<\/li><\/ul><\/li><li>\u5904\u7406\u7a7a\u767d\u7b26<ul><li>pre<\/li><li>nowrap<\/li><li>pre-wrap<\/li><li>pre-line<\/li><\/ul>\u4e0b\u9762\u7684\u8868\u683c\u603b\u7ed3\u4e86white-spacing\u5c5e\u6027\u7684\u884c\u4e3a\uff1a<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u503c<\/th><th>\u7a7a\u767d\u7b26<\/th><th>\u6362\u884c\u7b26<\/th><th>\u81ea\u52a8\u6362\u884c<\/th><\/tr><\/thead><tbody><tr><td>pre-line<\/td><td>\u5408\u5e76<\/td><td>\u4fdd\u7559<\/td><td>\u5141\u8bb8<\/td><\/tr><tr><td>normal<\/td><td>\u5408\u5e76<\/td><td>\u5ffd\u7565<\/td><td>\u5141\u8bb8<\/td><\/tr><tr><td>nowrap<\/td><td>\u5408\u5e76<\/td><td>\u5ffd\u7565<\/td><td>\u4e0d\u5141\u8bb8<\/td><\/tr><tr><td>pre<\/td><td>\u4fdd\u7559<\/td><td>\u4fdd\u7559<\/td><td>\u4e0d\u5141\u8bb8<\/td><\/tr><tr><td>pre-wrap<\/td><td>\u4fdd\u7559<\/td><td>\u4fdd\u7559<\/td><td>\u5141\u8bb8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6587\u672c\u65b9\u5411<\/li><\/ul>\n\n\n\n<p>CSS\u6587\u672c\u5c5e\u6027\u8868\u683c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>color<\/td><td>\u8bbe\u7f6e\u6587\u672c\u989c\u8272<\/td><\/tr><tr><td>direction<\/td><td>\u8bbe\u7f6e\u6587\u672c\u65b9\u5411<\/td><\/tr><tr><td>line-height<\/td><td>\u8bbe\u7f6e\u884c\u9ad8<\/td><\/tr><tr><td>letter-spacing<\/td><td>\u8bbe\u7f6e\u5b57\u7b26\u95f4\u8ddd<\/td><\/tr><tr><td>text-aligh<\/td><td>\u5bf9\u9f50\u5143\u7d20\u4e2d\u7684\u6587\u672c<\/td><\/tr><tr><td>text-decoration<\/td><td>\u5411\u6587\u672c\u6dfb\u52a0\u4fee\u9970<\/td><\/tr><tr><td>text-indent<\/td><td>\u7f29\u8fdb\u5143\u7d20\u4e2d\u6587\u672c\u7684\u9996\u884c<\/td><\/tr><tr><td>text-shadow<\/td><td>\u8bbe\u7f6e\u6587\u672c\u9634\u5f71\u3002CSS2\u5305\u542b\u8be5\u5c5e\u6027\uff0c\u4f46\u662fCSS2.1\u6ca1\u6709\u4fdd\u7559\u8be5\u5c5e\u6027<\/td><\/tr><tr><td>text-transform<\/td><td>\u63a7\u5236\u5143\u7d20\u4e2d\u7684\u5b57\u6bcd<\/td><\/tr><tr><td>unicode-bidi<\/td><td>\u8bbe\u7f6e\u6587\u672c\u65b9\u5411<\/td><\/tr><tr><td>white-space<\/td><td>\u8bbe\u7f6e\u5143\u7d20\u4e2d\u7a7a\u767d\u7684\u5904\u7406\u65b9\u5f0f<\/td><\/tr><tr><td>word-spacing<\/td><td>\u8bbe\u7f6e\u5b57\u95f4\u8ddd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse5ad97e4bd93-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%AD%97%E4%BD%93\"><\/span>CSS\u5b57\u4f53<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u5b57\u4f53\u5c5e\u6027\u5b9a\u4e49\u6587\u672c\u7684\u5b57\u4f53\u7cfb\u5217\u3001\u5927\u5c0f\u3001\u52a0\u7c97\u3001\u98ce\u683c(\u52a0\u659c\u4f53)\u548c\u53d8\u5f62(\u5982\u5c0f\u578b\u5927\u5199\u5b57\u6bcd)\u3002<\/strong><\/p>\n\n\n\n<p>\u5728CSS\u4e2d\uff0c\u6709\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5b57\u4f53\u7cfb\u5217\u540d\u79f0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u901a\u7528\u5b57\u4f53\u7cfb\u5217 &#8211; \u62e5\u6709\u76f8\u4f3c\u5916\u89c2\u7684\u5b57\u4f53\u7cfb\u7edf\u7ec4\u5408(\u6bd4\u5982&#8221;Serif&#8221;\u6216&#8221;Monospace&#8221;)<\/li><li>\u7279\u5b9a\u5b57\u4f53\u7cfb\u5217 &#8211; \u5177\u4f53\u7684\u5b57\u4f53\u7cfb\u5217(\u6bd4\u5982&#8221;Times&#8221;\u6216&#8221;Courier&#8221;)<\/li><\/ul>\n\n\n\n<p>\u9664\u4e86\u5404\u79cd\u7279\u5b9a\u7684\u5b57\u4f53\u7cfb\u5217\u5916\uff0cCSS\u5b9a\u4e49\u4e865\u79cd\u901a\u7528\u5b57\u4f53\u7cfb\u5217\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Serif\u5b57\u4f53<\/li><li>Sans-serif\u5b57\u4f53<\/li><li>Monospace\u5b57\u4f53<\/li><li>Cursive\u5b57\u4f53<\/li><li>Fantasy\u5b57\u4f53<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>font<\/td><td>\u7b80\u5199\u5c5e\u6027\u3002\u4f5c\u7528\u662f\u628a\u6240\u6709\u9488\u5bf9\u5b57\u4f53\u7684\u5c5e\u6027\u8bbe\u7f6e\u5728\u4e00\u4e2a\u58f0\u660e\u4e2d<\/td><\/tr><tr><td>font-family<\/td><td>\u8bbe\u7f6e\u5b57\u4f53\u7cfb\u5217<\/td><\/tr><tr><td>font-size<\/td><td>\u8bbe\u7f6e\u5b57\u4f53\u7684\u5c3a\u5bf8<\/td><\/tr><tr><td>font-size-adjust<\/td><td>\u5f53\u9996\u9009\u5b57\u4f53\u4e0d\u53ef\u7528\u65f6\uff0c\u5bf9\u66ff\u6362\u5b57\u4f53\u8fdb\u884c\u667a\u80fd\u7f29\u653e( CSS2.1\u5df2\u5220\u9664\u8be5\u5c5e\u6027)<\/td><\/tr><tr><td>font-strech<\/td><td>\u5bf9\u5b57\u4f53\u8fdb\u884c\u6c34\u5e73\u62c9\u4f38\u3002(CSS2.1\u5df2\u5220\u9664\u8be5\u5c5e\u6027)<\/td><\/tr><tr><td>font-style<\/td><td>\u8bbe\u7f6e\u5b57\u4f53\u98ce\u683c<\/td><\/tr><tr><td>font-variant<\/td><td>\u4ee5\u5c0f\u578b\u5927\u5199\u5b57\u4f53\u6216\u8005\u6b63\u5e38\u5b57\u4f53\u663e\u793a\u6587\u672c<\/td><\/tr><tr><td>font-weight<\/td><td>\u8bbe\u7f6e\u5b57\u4f53\u7684\u7c97\u7ec6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse993bee68ea5-1\"><span class=\"ez-toc-section\" id=\"CSS%E9%93%BE%E6%8E%A5\"><\/span>CSS\u94fe\u63a5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u6211\u4eec\u80fd\u591f\u4ee5\u4e0d\u540c\u7684\u65b9\u6cd5\u4e3a\u94fe\u63a5\u8bbe\u7f6e\u6837\u5f0f\u3002<\/strong><br>\u94fe\u63a5\u7684\u56db\u79cd\u72b6\u6001\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a:link \u666e\u901a\u7684\u3001\u672a\u88ab\u8bbf\u95ee\u7684\u94fe\u63a5<\/li><li>a:visited \u7528\u6237\u5df2\u8bbf\u95ee\u7684\u94fe\u63a5<\/li><li>a:hover \u9f20\u6807\u6307\u9488\u4f4d\u4e8e\u94fe\u63a5\u7684\u4e0a\u65b9<\/li><li>a:active \u94fe\u63a5\u88ab\u70b9\u51fb\u7684\u65f6\u523b<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse58897e8a1a8-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%88%97%E8%A1%A8\"><\/span>CSS\u5217\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u5217\u8868\u5c5e\u6027\u5141\u8bb8\u4f60\u653e\u7f6e\u3001\u6539\u53d8\u5217\u8868\u9879\u6807\u5fd7\uff0c\u6216\u8005\u5c06\u56fe\u50cf\u4f5c\u4e3a\u5217\u8868\u9879\u6807\u5fd7\u3002<\/strong><br>CSS\u5217\u8868\u5c5e\u6027(list)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>list-style<\/td><td>\u7b80\u5199\u5c5e\u6027\u3002\u7528\u4e8e\u628a\u6240\u6709\u7528\u4e8e\u5217\u8868\u7684\u5c5e\u6027\u7f6e\u4e8e\u4e00\u4e2a\u58f0\u660e\u4e2d<\/td><\/tr><tr><td>list-style-image<\/td><td>\u5c06\u56fe\u50cf\u8bbe\u7f6e\u4e3a\u5217\u8868\u9879\u6807\u5fd7<\/td><\/tr><tr><td>list-style-position<\/td><td>\u8bbe\u7f6e\u5217\u8868\u4e2d\u5217\u8868\u9879\u6807\u5fd7\u7684\u4f4d\u7f6e<\/td><\/tr><tr><td>list-style-type<\/td><td>\u8bbe\u7f6e\u5217\u8868\u9879\u6807\u5fd7\u7684\u7c7b\u578b<\/td><\/tr><tr><td>marker-offset<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse8a1a8e6a0bc-1\"><span class=\"ez-toc-section\" id=\"CSS%E8%A1%A8%E6%A0%BC\"><\/span>CSS\u8868\u683c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u8868\u683c\u5c5e\u6027\u53ef\u4ee5\u5e2e\u52a9\u60a8\u6781\u5927\u5730\u6539\u5584\u8868\u683c\u7684\u5916\u89c2\u3002<\/strong><\/p>\n\n\n\n<p>\u8868\u683c\u8fb9\u6846\u4e3e\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">table, th, td{\n    border: 1px solid blue;\n}\n<\/code><\/pre>\n\n\n\n<p><em>\u8bf7\u6ce8\u610f\uff1a\u4e0a\u8fb9\u7684\u8868\u683c\u5177\u6709\u53cc\u7ebf\u6761\u8fb9\u6846\u3002\u8fd9\u662f\u7531\u4e8etable\u3001th\u4ee5\u53catd\u5143\u7d20\u90fd\u6709\u72ec\u7acb\u7684\u8fb9\u6846\u3002<\/em><br><em>\u5982\u679c\u9700\u8981\u628a\u8868\u683c\u663e\u793a\u4e3a\u5355\u7ebf\u6761\u8fb9\u6846\uff0c\u8bf7\u4f7f\u7528border-collapse\u5c5e\u6027\u3002<\/em><\/p>\n\n\n\n<p>CSS Table\u5c5e\u6027<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>border-collapse<\/td><td>\u8bbe\u7f6e\u662f\u5426\u628a\u8868\u683c\u8fb9\u6846\u5408\u5e76\u4e3a\u5355\u4e00\u7684\u8fb9\u6846<\/td><\/tr><tr><td>border-spacing<\/td><td>\u8bbe\u7f6e\u5206\u9694\u5355\u5143\u683c\u8fb9\u6846\u7684\u8ddd\u79bb<\/td><\/tr><tr><td>caption-side<\/td><td>\u8bbe\u7f6e\u8868\u683c\u6807\u9898\u7684\u4f4d\u7f6e<\/td><\/tr><tr><td>empty-cells<\/td><td>\u8bbe\u7f6e\u662f\u5426\u663e\u793a\u8868\u683c\u4e2d\u7684\u7a7a\u5355\u5143\u683c<\/td><\/tr><tr><td>table-layout<\/td><td>\u8bbe\u7f6e\u663e\u793a\u5355\u5143\u3001\u884c\u548c\u5217\u7684\u7b97\u6cd5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse8bdaee5bb93-1\"><span class=\"ez-toc-section\" id=\"CSS%E8%BD%AE%E5%BB%93\"><\/span>CSS\u8f6e\u5ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u8f6e\u5ed3(outline)\u662f\u7ed8\u5236\u4e8e\u5143\u7d20\u5468\u56f4\u7684\u4e00\u6761\u7ebf\uff0c\u4f4d\u4e8e\u8fb9\u6846\u8fb9\u7f18\u7684\u5916\u56f4\uff0c\u53ef\u8d77\u5230\u7a81\u51fa\u5143\u7d20\u7684\u4f5c\u7528\u3002<\/strong><br><strong>CSS outline\u5c5e\u6027\u89c4\u5b9a\u5143\u7d20\u8f6e\u5ed3\u7684\u6837\u5f0f\u3001\u989c\u8272\u548c\u5bbd\u5ea6\u3002<\/strong><br>CSS\u8fb9\u6846\u5c5e\u6027(CSS\u5217\u4e2d\u7684\u6570\u5b57\u6307\u5b9a\u4e86\u54ea\u4e2aCSS\u7248\u672c\u5b9a\u4e49\u4e86\u8be5\u5c5e\u6027)\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><th>CSS<\/th><\/tr><\/thead><tbody><tr><td>outline<\/td><td>\u5728\u4e00\u4e2a\u58f0\u660e\u4e2d\u8bbe\u7f6e\u6240\u6709\u7684\u8f6e\u5ed3\u5c5e\u6027<\/td><td>2<\/td><\/tr><tr><td>outline-color<\/td><td>\u8bbe\u7f6e\u8f6e\u5ed3\u7684\u989c\u8272<\/td><td>2<\/td><\/tr><tr><td>outline-style<\/td><td>\u8bbe\u7f6e\u8f6e\u5ed3\u7684\u6837\u5f0f<\/td><td>2<\/td><\/tr><tr><td>outline-width<\/td><td>\u8bbe\u7f6e\u8f6e\u5ed3\u7684\u5bbd\u5ea6<\/td><td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"csse6a186e6a8a1e59e8b-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%A1%86%E6%A8%A1%E5%9E%8B\"><\/span>CSS\u6846\u6a21\u578b<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse6a186e6a8a1e59e8be6a682e8bfb0-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%A1%86%E6%A8%A1%E5%9E%8B%E6%A6%82%E8%BF%B0\"><\/span>CSS\u6846\u6a21\u578b\u6982\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u6846\u6a21\u578b(Box Model)\u89c4\u5b9a\u4e86\u5143\u7d20\u6846\u5904\u7406\u5143\u7d20\u5185\u5bb9\u3001\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u7684\u65b9\u5f0f\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/blog.cauchyschwarz.com\/wp-content\/uploads\/2021\/12\/ct_boxmodel.gif\" alt=\"\" class=\"wp-image-830\"\/><\/figure>\n\n\n\n<p><br>\u5143\u7d20\u6846\u7684\u6700\u5185\u90e8\u5206\u662f\u5b9e\u9645\u7684\u5185\u5bb9\uff0c\u76f4\u63a5\u5305\u56f4\u5185\u5bb9\u7684\u662f\u5185\u8fb9\u8ddd\u3002\u5185\u8fb9\u8ddd\u5448\u73b0\u4e86\u5143\u7d20\u7684\u80cc\u666f\u3002\u5185\u8fb9\u8ddd\u7684\u8fb9\u7f18\u662f\u8fb9\u6846\u3002\u8fb9\u6846\u4ee5\u5916\u662f\u5916\u8fb9\u8ddd\uff0c\u5916\u8fb9\u8ddd\u9ed8\u8ba4\u662f<strong>\u900f\u660e<\/strong>\u7684\uff0c\u56e0\u6b64\u4e0d\u4f1a\u906e\u6321\u5176\u540e\u7684\u4efb\u4f55\u5143\u7d20\u3002<br><em>\u63d0\u793a\uff1a\u80cc\u666f\u5e94\u7528\u4e8e\u7531\u5185\u5bb9\u548c\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u7ec4\u6210\u7684\u533a\u57df\u3002<\/em><br>\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u90fd\u662f\u53ef\u9009\u7684\uff0c\u9ed8\u8ba4\u503c\u662f\u96f6\u3002<br>\u5728CSS\u4e2d\uff0cwidth\u548cheight\u6307\u7684\u662f\u5185\u5bb9\u533a\u57df\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse58685e8beb9e8b79d-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%86%85%E8%BE%B9%E8%B7%9D\"><\/span>CSS\u5185\u8fb9\u8ddd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u6309\u7167\u4e0a\u3001\u53f3\u3001\u4e0b\u3001\u5de6\u7684\u987a\u5e8f\u5206\u522b\u8bbe\u7f6e\u5404\u8fb9\u7684\u5185\u8fb9\u8ddd\uff0c\u5404\u8fb9\u5747\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u5355\u4f4d\u6216\u767e\u5206\u6bd4\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 {padding: 10px 0.25em 2ex 20%;}\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u9762\u56db\u4e2a\u5355\u72ec\u7684\u5c5e\u6027\u5206\u522b\u8bbe\u7f6e\u4e0a\u3001\u53f3\u3001\u4e0b\u3001\u5de6\u5185\u8fb9\u8ddd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>padding-top<\/li><li>padding-right<\/li><li>padding-bottom<\/li><li>padding-left<\/li><\/ul>\n\n\n\n<p>\u53ef\u4ee5\u4e3a\u5143\u7d20\u7684\u5185\u8fb9\u8ddd\u8bbe\u7f6e\u767e\u5206\u6570\u503c\u3002\u767e\u5206\u6570\u503c\u662f\u76f8\u5bf9\u4e8e\u5176\u7236\u5143\u7d20\u7684width\u8ba1\u7b97\u7684\uff0c\u8fd9\u4e00\u70b9\u4e0e\u5916\u8fb9\u8ddd\u4e00\u6837\u3002\u6240\u4ee5\uff0c\u5982\u679c\u7236\u5143\u7d20\u7684width\u6539\u53d8\uff0c\u5b83\u4eec\u4e5f\u4f1a\u6539\u53d8\u3002<br>\u4e0b\u9762\u8fd9\u6761\u89c4\u5219\u628a\u6bb5\u843d\u7684\u5185\u8fb9\u8ddd\u8bbe\u7f6e\u4e3a\u7236\u5143\u7d20width\u768410%:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p {padding: 10%}\n<\/code><\/pre>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a\u4e0a\u4e0b\u5185\u8fb9\u8ddd\u4e0e\u5de6\u53f3\u5185\u8fb9\u8ddd\u4e00\u81f4\uff0c\u5373\u4e0a\u4e0b\u5185\u8fb9\u8ddd\u7684\u767e\u5206\u6570\u4e5f\u4f1a\u76f8\u5bf9\u4e8e\u7236\u5143\u7d20\u5bbd\u5ea6\u8bbe\u7f6e\uff0c\u800c\u4e0d\u662f\u76f8\u5bf9\u4e8e\u9ad8\u5ea6\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse8beb9e6a186-1\"><span class=\"ez-toc-section\" id=\"CSS%E8%BE%B9%E6%A1%86\"><\/span>CSS\u8fb9\u6846<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5143\u7d20\u7684\u8fb9\u6846(border)\u662f\u56f4\u7ed5\u5143\u7d20\u5185\u5bb9\u548c\u5185\u8fb9\u8ddd\u7684\u4e00\u6761\u6216\u591a\u6761\u7ebf\u3002CSS border\u5c5e\u6027\u5141\u8bb8\u4f60\u89c4\u5b9a\u5143\u7d20\u8fb9\u6846\u7684\u6837\u5f0f\u3001\u5bbd\u5ea6\u548c\u989c\u8272\u3002<br>\u5143\u7d20\u7684\u80cc\u666f\u662f\u5185\u5bb9\u3001\u5185\u8fb9\u8ddd\u548c\u8fb9\u6846\u533a\u7684\u80cc\u666f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fb9\u6846\u7684\u6837\u5f0f<br>\u5c06\u4e00\u5e45\u56fe\u7247\u7684\u8fb9\u6846\u5b9a\u4e49\u4e3aoutset\uff0c\u4f7f\u4e4b\u770b\u4e0a\u53bb\u50cf\u662f\u201c\u51f8\u8d77\u6309\u94ae&#8221;:<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">a:link img {border-style: outset;}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5b9a\u4e49\u591a\u79cd\u6837\u5f0f<br>\u53ef\u4ee5\u4e3a\u4e00\u4e2a\u8fb9\u6846\u5b9a\u4e49\u591a\u4e2a\u6837\u5f0f\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p.aside {border-style: solid dotted dashed double;}\n<\/code><\/pre>\n\n\n\n<p>\u6b64\u5904\u4e5f\u5bf9\u56db\u4e2a\u65b9\u5411\u7684\u8fb9\u6846\u91c7\u7528\u4e86\u4e0a\u3001\u53f3\u3001\u4e0b\u3001\u5de6\u7684\u987a\u5e8f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5b9a\u4e49\u5355\u8fb9\u6837\u5f0f<br>\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u5355\u8fb9\u8fb9\u6846\u6837\u5f0f\u5c5e\u6027\uff1a<ul><li>border-top-style<\/li><li>border-right-style<\/li><li>border-bottom-style<\/li><li>border-left-style<\/li><\/ul>\u5982\u679c\u8981\u4f7f\u7528\u5355\u8fb9\u5c5e\u6027\uff0c\u5c31\u5fc5\u987b\u628a\u5355\u8fb9\u5c5e\u6027\u653e\u5728\u7b80\u5199\u5c5e\u6027\u4e4b\u540e\uff0c\u5426\u5219\u7b80\u5199\u5c5e\u6027\u4f1a\u8986\u76d6\u524d\u9762\u8bbe\u5b9a\u7684\u5355\u8fb9\u5c5e\u6027\u3002<\/li><li>\u8fb9\u6846\u5bbd\u5ea6<br>\u53ef\u4ee5\u901a\u8fc7border-width\u5c5e\u6027\u4e3a\u8fb9\u6846\u6307\u5b9a\u5bbd\u5ea6\u3002<br>\u4e3a\u8fb9\u6846\u6307\u5b9a\u5bbd\u5ea6\u53ef\u4ee5\u6307\u5b9a\u957f\u5ea6\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a\u4e3a3\u4e2a\u5173\u952e\u5b57\u4e4b\u4e00\uff1athin\u3001medium\u3001thick\u3002<br>\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e0b\u5217\u5c5e\u6027\u5206\u522b\u8bbe\u7f6e\u8fb9\u6846\u5404\u8fb9\u7684\u5bbd\u5ea6\uff1a<ul><li>border-top-width<\/li><li>border-right-width<\/li><li>border-bottom-width<\/li><li>border-left-width<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><strong>\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u8fb9\u6846\u6837\u5f0f\u6216\u8005\u5c06\u8fb9\u6846\u6837\u5f0f\u8bbe\u7f6e\u4e3anone(\u9ed8\u8ba4\u503c\u5c31\u662fnone)\uff0c\u90a3\u4e48\u5373\u4f7f\u8bbe\u7f6e\u4e86\u8fb9\u6846\u5bbd\u5ea6\u4e5f\u662f\u6ca1\u6709\u7528\u7684\uff0c\u8fb9\u6846\u5bbd\u5ea6\u4f1a\u53d8\u4e3a0\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fb9\u6846\u7684\u989c\u8272<br>\u4f7f\u7528border-color\u5c5e\u6027\u53ef\u4ee5\u8bbe\u7f6e\u8fb9\u6846\u989c\u8272\u3002<br>\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7c7b\u578b\u7684\u989c\u8272\u4e2d\uff0c\u5982\u679c\u989c\u8272\u503c\u5c0f\u4e8e4\u4e2a\uff0c\u503c\u590d\u5236\u5c31\u4f1a\u8d77\u4f5c\u7528\u3002\u4f8b\u5982\u4e0b\u9762\u7684\u89c4\u5219\u58f0\u660e\u4e86\u6bb5\u843d\u7684\u4e0a\u4e0b\u8fb9\u6846\u662f\u84dd\u8272\uff0c\u5de6\u53f3\u8fb9\u6846\u662f\u7ea2\u8272\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p {\n  border-style: solid;\n  border-color: blue red;\n  }\n<\/code><\/pre>\n\n\n\n<p>\u9ed8\u8ba4\u7684\u8fb9\u6846\u989c\u8272\u662f\u5143\u7d20\u672c\u8eab\u7684\u524d\u666f\u8272\u3002\u5982\u679c\u6ca1\u6709\u4e3a\u8fb9\u6846\u58f0\u660e\u989c\u8272\uff0c\u5b83\u5c06\u4e0e\u5143\u7d20\u7684\u6587\u672c\u989c\u8272\u76f8\u540c\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u5143\u7d20\u6ca1\u6709\u4efb\u4f55\u6587\u672c\uff0c\u5047\u8bbe\u5b83\u662f\u4e00\u4e2a\u8868\u683c\uff0c\u5176\u4e2d\u53ea\u5305\u542b\u56fe\u50cf\uff0c\u90a3\u4e48\u8be5\u8868\u7684\u8fb9\u6846\u989c\u8272\u5c31\u662f\u5176\u7236\u5143\u7d20\u7684\u6587\u672c\u989c\u8272(\u56e0\u4e3acolor\u53ef\u4ee5\u7ee7\u627f)\u3002\u8fd9\u4e2a\u7236\u5143\u7d20\u53ef\u80fd\u662fbody\u3001div\u6216\u53e6\u4e00\u4e2atable\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u5c5e\u6027\u4e3a\u5355\u8fb9\u6846\u6307\u5b9a\u989c\u8272\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>border-top-color<\/li><li>border-right-color<\/li><li>border-bottom-color<\/li><li>border-left-color<\/li><\/ul>\n\n\n\n<p><strong>\u900f\u660e\u8fb9\u6846<\/strong>:\u53ef\u4ee5\u4f7f\u7528\u989c\u8272transparent\u521b\u5efa\u4e00\u4e2a\u770b\u4e0d\u89c1\u7684\u8fb9\u6846\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse5a496e8beb9e8b79d-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%A4%96%E8%BE%B9%E8%B7%9D\"><\/span>CSS\u5916\u8fb9\u8ddd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u56f4\u7ed5\u5728\u5143\u7d20\u8fb9\u6846\u7684\u7a7a\u767d\u533a\u57df\u662f\u5916\u8fb9\u8ddd\u3002\u8bbe\u7f6e\u5916\u8fb9\u8ddd\u4f1a\u5728\u5143\u7d20\u5916\u521b\u5efa\u989d\u5916\u7684&#8221;\u7a7a\u767d&#8221;\u3002<\/strong><br><strong>\u8bbe\u7f6e\u5916\u8fb9\u8ddd\u7684\u6700\u7b80\u5355\u65b9\u5f0f\u5c31\u662f\u4f7f\u7528margin\u5c5e\u6027\uff0c\u8fd9\u4e2a\u5c5e\u6027\u63a5\u53d7\u4efb\u4f55\u957f\u5ea6\u5355\u4f4d\u3001\u767e\u5206\u6570\u503c\u751a\u81f3\u8d1f\u503c\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"css-margine5b19ee680a7-1\"><span class=\"ez-toc-section\" id=\"CSS_margin%E5%B1%9E%E6%80%A7\"><\/span>CSS margin\u5c5e\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4ee3\u7801\u4e3e\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1 {margin: 0.25in;}\nh1 {margin: 10px 0px 15px 5px;}\n<\/code><\/pre>\n\n\n\n<p>\u4e0e\u5185\u8fb9\u8ddd\u7684\u8bbe\u7f6e\u76f8\u540c\uff0c\u8fd9\u4e9b\u503c\u7684\u987a\u5e8f\u662f\u4ece\u4e0a\u8fb9\u8ddd(top)\u5f00\u59cb\u56f4\u7ed5\u7740\u5143\u7d20\u987a\u65f6\u9488\u65cb\u8f6c\u7684\u3002<br>\u53e6\u5916\u53ef\u4ee5\u4e3amargin\u8bbe\u7f6e\u4e00\u4e2a\u767e\u5206\u6bd4\u6570\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p {margin: 10%;}\n<\/code><\/pre>\n\n\n\n<p>\u767e\u5206\u6570\u662f\u76f8\u5bf9\u4e8e\u7236\u5143\u7d20\u7684width\u8ba1\u7b97\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse580bce5a48de588b6-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%80%BC%E5%A4%8D%E5%88%B6\"><\/span>CSS\u503c\u590d\u5236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5982\u679c\u7f3a\u5c11\u5de6\u5916\u8fb9\u8ddd\u7684\u503c\uff0c\u5219\u4f7f\u7528\u53f3\u5916\u8fb9\u8ddd\u7684\u503c\u3002<\/li><li>\u5982\u679c\u7f3a\u5c11\u4e0b\u5916\u8fb9\u8ddd\u7684\u503c\uff0c\u5219\u4f7f\u7528\u4e0a\u5916\u8fb9\u8ddd\u7684\u503c\u3002<\/li><li>\u5982\u679c\u7f3a\u5c11\u53f3\u5916\u8fb9\u8ddd\u7684\u503c\uff0c\u5219\u4f7f\u7528\u4e0a\u5916\u8fb9\u8ddd\u7684\u503c\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"321\" height=\"85\" src=\"https:\/\/blog.cauchyschwarz.com\/wp-content\/uploads\/2021\/12\/ct_css_margin_value.gif\" alt=\"\" class=\"wp-image-831\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e58d95e8beb9e5a496e8beb9e8b79de5b19ee680a7-1\"><span class=\"ez-toc-section\" id=\"%E5%8D%95%E8%BE%B9%E5%A4%96%E8%BE%B9%E8%B7%9D%E5%B1%9E%E6%80%A7\"><\/span>\u5355\u8fb9\u5916\u8fb9\u8ddd\u5c5e\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u5355\u8fb9\u5916\u8fb9\u8ddd\u5c5e\u6027\u4e3a\u5143\u7d20\u5355\u8fb9\u4e0a\u7684\u5916\u8fb9\u8ddd\u8bbe\u7f6e\u503c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>margin-top<\/li><li>margin-right<\/li><li>margin-bottom<\/li><li>margin-left<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse5a496e8beb9e8b79de59088e5b9b6-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%A4%96%E8%BE%B9%E8%B7%9D%E5%90%88%E5%B9%B6\"><\/span>CSS\u5916\u8fb9\u8ddd\u5408\u5e76<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u5916\u8fb9\u8ddd\u5408\u5e76\u6307\u7684\u662f\uff0c\u5f53\u4e24\u4e2a\u5782\u76f4\u5916\u8fb9\u8ddd\u76f8\u9047\u65f6\uff0c\u5b83\u4eec\u5c06\u5f62\u6210\u4e00\u4e2a\u5916\u8fb9\u8ddd\u3002<\/strong><br><strong>\u5408\u5e76\u540e\u7684\u5916\u8fb9\u8ddd\u7684\u9ad8\u5ea6\u7b49\u4e8e\u4e24\u4e2a\u53d1\u751f\u5408\u5e76\u7684\u5916\u8fb9\u8ddd\u7684\u9ad8\u5ea6\u4e2d\u7684\u8f83\u5927\u8005\u3002<\/strong><br><strong>\u6ce8\u91ca\uff1a\u53ea\u6709\u666e\u901a\u6587\u6863\u6d41\u4e2d\u5757\u6846\u7684\u5782\u76f4\u5916\u8fb9\u8ddd\u624d\u4f1a\u53d1\u751f\u5916\u8fb9\u8ddd\u5408\u5e76\u3002\u884c\u5185\u6846\u3001\u6d6e\u52a8\u6846\u6216\u7edd\u5bf9\u5b9a\u4f4d\u4e4b\u95f4\u7684\u5916\u8fb9\u8ddd\u4e0d\u4f1a\u5408\u5e76\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e6a186e58583e7b4a0e5928ce8a18ce58685e58583e7b4a0e79a84e8bea8e69e90-1\"><span class=\"ez-toc-section\" id=\"%E6%A1%86%E5%85%83%E7%B4%A0%E5%92%8C%E8%A1%8C%E5%86%85%E5%85%83%E7%B4%A0%E7%9A%84%E8%BE%A8%E6%9E%90\"><\/span>\u6846\u5143\u7d20\u548c\u884c\u5185\u5143\u7d20\u7684\u8fa8\u6790<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse5ae9ae4bd8de69cbae588b6-1\"><span class=\"ez-toc-section\" id=\"CSS%E5%AE%9A%E4%BD%8D%E6%9C%BA%E5%88%B6\"><\/span>CSS\u5b9a\u4f4d\u673a\u5236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u666e\u901a\u6d41<br>\u9664\u975e\u4e13\u95e8\u6307\u5b9a\uff0c\u5426\u5219\u6240\u6709\u6846\u90fd\u5728\u666e\u901a\u6d41\u4e2d\u5b9a\u4f4d\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u666e\u901a\u6d41\u4e2d\u7684\u5143\u7d20\u7531\u5143\u7d20\u5728(X)HTML\u4e2d\u7684\u4f4d\u7f6e\u51b3\u5b9a\u3002<br>\u5757\u7ea7\u6846\u4ece\u4e0a\u5230\u4e0b\u4e00\u4e2a\u63a5\u4e00\u4e2a\u5730\u6392\u5217\uff0c\u6846\u4e4b\u95f4\u7684\u5782\u76f4\u8ddd\u79bb\u662f\u7531\u6846\u7684\u5782\u76f4\u5916\u8fb9\u8ddd\u8ba1\u7b97\u51fa\u6765\u3002<br>\u884c\u5185\u6846\u5728\u4e00\u884c\u4e2d\u6c34\u5e73\u5e03\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u6c34\u5e73\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u8c03\u6574\u5b83\u4eec\u7684\u95f4\u8ddd\u3002\u4f46\u662f\uff0c\u5782\u76f4\u5185\u8fb9\u8ddd\u3001\u8fb9\u6846\u548c\u5916\u8fb9\u8ddd\u4e0d\u5f71\u54cd\u884c\u5185\u6846\u7684\u9ad8\u5ea6\u3002\u7531\u4e00\u884c\u5f62\u6210\u7684\u6c34\u5e73\u6846\u79f0\u4e3a\u884c\u6846(Line Box)\uff0c\u884c\u6846\u7684\u9ad8\u5ea6\u603b\u662f\u8db3\u4ee5\u5bb9\u7eb3\u5b83\u5305\u542b\u7684\u6240\u6709\u884c\u5185\u6846\u3002\u4e0d\u8fc7\uff0c\u8bbe\u7f6e\u884c\u9ad8\u53ef\u4ee5\u589e\u52a0\u8fd9\u4e2a\u6846\u7684\u9ad8\u5ea6\u3002<\/li><li>\u6d6e\u52a8<\/li><li>\u7edd\u5bf9\u5b9a\u4f4d<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"css-positione5b19ee680a7-1\"><span class=\"ez-toc-section\" id=\"CSS_position%E5%B1%9E%E6%80%A7\"><\/span>CSS position\u5c5e\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528position\u5c5e\u6027\uff0c\u53ef\u4ee5\u9009\u62e94\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5b9a\u4f4d\uff0c\u8fd9\u4f1a\u5f71\u54cd\u884c\u6846\u5143\u7d20\u751f\u6210\u7684\u65b9\u5f0f\u3002<br>position\u5c5e\u6027\u503c\u7684\u542b\u4e49\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>static \u5143\u7d20\u6846\u6b63\u5e38\u751f\u6210\u3002\u5757\u7ea7\u5143\u7d20\u751f\u6210\u4e00\u4e2a\u77e9\u5f62\u6846\uff0c\u4f5c\u4e3a\u6587\u6863\u6d41\u7684\u4e00\u90e8\u5206\uff0c\u884c\u5185\u5143\u7d20\u5219\u4f1a\u521b\u5efa\u4e00\u4e2a\u6216\u591a\u4e2a\u884c\u6846\uff0c\u7f6e\u4e8e\u5176\u7236\u5143\u7d20\u4e2d\u3002<\/li><li>relative<br>\u5143\u7d20\u6846\u504f\u79fb\u67d0\u4e2a\u8ddd\u79bb\u3002\u5143\u7d20\u4ecd\u4fdd\u6301\u5176\u672a\u5b9a\u4f4d\u524d\u7684\u5f62\u72b6\uff0c\u5b83\u539f\u672c\u6240\u5360\u7684\u7a7a\u95f4\u4ecd\u4fdd\u7559\u3002<\/li><li>absolute<br>\u5143\u7d20\u6846\u4ece\u6587\u6863\u6d41\u5b8c\u5168\u5220\u9664\uff0c\u5e76\u76f8\u5bf9\u4e8e\u5176\u5305\u542b\u5757\u5b9a\u4f4d\u3002\u5305\u542b\u5757\u53ef\u80fd\u662f\u6587\u6863\u4e2d\u7684\u53e6\u4e00\u4e2a\u5143\u7d20\u6216\u8005\u662f\u521d\u59cb\u5305\u542b\u5757\u3002\u5143\u7d20\u539f\u5148\u5728\u6b63\u5e38\u6587\u6863\u6d41\u4e2d\u6240\u5360\u7684\u7a7a\u95f4\u4f1a\u5173\u95ed\uff0c\u5c31\u597d\u50cf\u5143\u7d20\u539f\u6765\u4e0d\u5b58\u5728\u4e00\u6837\u3002\u5143\u7d20\u5b9a\u4f4d\u540e\u751f\u6210\u4e00\u4e2a\u5757\u7ea7\u6846\uff0c\u800c\u4e0d\u8bba\u539f\u6765\u5b83\u5728\u6b63\u5e38\u6d41\u4e2d\u751f\u6210\u4f55\u79cd\u7c7b\u578b\u7684\u6846\u3002<\/li><li>fixed<br>\u5143\u7d20\u6846\u7684\u8868\u73b0\u7c7b\u4f3c\u4e8e\u5c06position\u8bbe\u7f6e\u4e3aabsolute\uff0c\u4e0d\u8fc7\u5176\u5305\u542b\u5757\u662f\u89c6\u7a97\u672c\u8eab\u3002<\/li><\/ul>\n\n\n\n<p><em>\u63d0\u793a\uff1a\u76f8\u5bf9\u5b9a\u4f4d\u5b9e\u9645\u4e0a\u88ab\u770b\u505a\u666e\u901a\u6d41\u5b9a\u4f4d\u6a21\u578b\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u5143\u7d20\u7684\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u5b83\u5728\u666e\u901a\u6d41\u4e2d\u7684\u4f4d\u7f6e\u3002<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse79bb8e5afb9e5ae9ae4bd8d-1\"><span class=\"ez-toc-section\" id=\"CSS%E7%9B%B8%E5%AF%B9%E5%AE%9A%E4%BD%8D\"><\/span>CSS\u76f8\u5bf9\u5b9a\u4f4d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5982\u679c\u5bf9\u4e00\u4e2a\u5143\u7d20\u8fdb\u884c\u76f8\u5bf9\u5b9a\u4f4d\uff0c\u5b83\u5c06\u51fa\u73b0\u5728\u5b83\u6240\u5728\u7684\u4f4d\u7f6e\u4e0a\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5782\u76f4\u6216\u6c34\u5e73\u4f4d\u7f6e\uff0c\u8ba9\u8fd9\u4e2a\u5143\u7d20&#8221;\u76f8\u5bf9\u4e8e&#8221;\u5b83\u7684\u8d77\u70b9\u8fdb\u884c\u79fb\u52a8\u3002<br>\u4e3e\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">#box_relative {\n  position: relative;\n  left: 30px;\n  top: 20px;\n}\n<\/code><\/pre>\n\n\n\n<p><em>\u6ce8\u610f\uff1a\u5728\u4f7f\u7528\u76f8\u5bf9\u5b9a\u4f4d\u65f6\uff0c\u65e0\u8bba\u662f\u5426\u8fdb\u884c\u79fb\u52a8\uff0c\u5143\u7d20\u4ecd\u7136\u5360\u636e\u539f\u6765\u7684\u7a7a\u95f4\u3002\u56e0\u6b64\u79fb\u52a8\u5143\u7d20\u4f1a\u5bfc\u81f4\u5b83\u8986\u76d6\u5176\u4ed6\u6846\u3002<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse7bb9de5afb9e5ae9ae4bd8d-1\"><span class=\"ez-toc-section\" id=\"CSS%E7%BB%9D%E5%AF%B9%E5%AE%9A%E4%BD%8D\"><\/span>CSS\u7edd\u5bf9\u5b9a\u4f4d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u8bbe\u7f6e\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u6846\u4ece\u6587\u6863\u6d41\u5b8c\u5168\u5220\u9664\uff0c\u5e76\u76f8\u5bf9\u4e8e\u5176\u5305\u542b\u5757\u5b9a\u4f4d\uff0c\u5305\u542b\u5757\u53ef\u80fd\u662f\u6587\u6863\u4e2d\u7684\u53e6\u4e00\u4e2a\u5143\u7d20\u6216\u8005\u662f\u521d\u59cb\u5305\u542b\u5757\u3002\u5143\u7d20\u539f\u5148\u5728\u6b63\u5e38\u6587\u6863\u6d41\u4e2d\u6240\u5360\u7684\u7a7a\u95f4\u4f1a\u5173\u95ed\uff0c\u5c31\u597d\u50cf\u8be5\u5143\u7d20\u4e0d\u5b58\u5728\u4e00\u6837\u3002\u5143\u7d20\u5b9a\u4f4d\u540e\u751f\u6210\u4e00\u4e2a\u5757\u7ea7\u6846\uff0c\u800c\u4e0d\u8bba\u539f\u6765\u5b83\u5728\u6b63\u5e38\u6d41\u4e2d\u751f\u6210\u4f55\u79cd\u7c7b\u578b\u7684\u6846\u3002<\/strong><\/p>\n\n\n\n<p>\u7edd\u5bf9\u5b9a\u4f4d\u4f7f\u5143\u7d20\u7684\u4f4d\u7f6e\u4e0e\u6587\u6863\u6d41\u65e0\u5173\uff0c\u56e0\u6b64\u4e0d\u5360\u636e\u7a7a\u95f4\u3002\u8fd9\u4e00\u70b9\u4e0e\u76f8\u5bf9\u5b9a\u4f4d\u4e0d\u540c\uff0c\u76f8\u5bf9\u5b9a\u4f4d\u5b9e\u9645\u4e0a\u88ab\u770b\u505a\u666e\u901a\u6d41\u5b9a\u4f4d\u6a21\u578b\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u5143\u7d20\u7684\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u5b83\u5728\u666e\u901a\u6d41\u4e2d\u7684\u4f4d\u7f6e\u3002<br>\u666e\u901a\u6d41\u4e2d\u5176\u4ed6\u5143\u7d20\u7684\u5e03\u5c40\u5c31\u50cf\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u4e0d\u5b58\u5728\u4e00\u6837\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">#box_relative {\n  position: absolute;\n  left: 30px;\n  top: 20px;\n}\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"207\" src=\"https:\/\/blog.cauchyschwarz.com\/wp-content\/uploads\/2021\/12\/ct_css_positioning_absolute_example.gif\" alt=\"\" class=\"wp-image-832\"\/><\/figure>\n\n\n\n<p>\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u6700\u8fd1\u7684\u5df2\u5b9a\u4f4d\u7684\u7956\u5148\u5143\u7d20\uff0c\u5982\u679c\u5143\u7d20\u6ca1\u6709\u5df2\u5b9a\u4f4d\u7684\u7956\u5148\u5143\u7d20\uff0c\u90a3\u4e48\u5b83\u7684\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u6700\u521d\u7684\u5305\u542b\u5757\u3002<\/p>\n\n\n\n<p>\u63d0\u793a\uff1a\u56e0\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\u7684\u6846\u4e0e\u6587\u6863\u6d41\u65e0\u5173\uff0c\u6240\u4ee5\u5b83\u4eec\u53ef\u4ee5\u8986\u76d6\u9875\u9762\u4e0a\u7684\u5176\u4ed6\u5143\u7d20\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6ez-index\u5c5e\u6027\u6765\u63a7\u5236\u8fd9\u4e9b\u6846\u7684\u5806\u653e\u6b21\u5e8f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"csse6b5aee58aa8-1\"><span class=\"ez-toc-section\" id=\"CSS%E6%B5%AE%E5%8A%A8\"><\/span>CSS\u6d6e\u52a8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u6d6e\u52a8\u7684\u6846\u53ef\u4ee5\u5411\u5de6\u6216\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u5b83\u7684\u5916\u8fb9\u7f18\u78b0\u5230\u5305\u542b\u6846\u6216\u53e6\u4e00\u4e2a\u6d6e\u52a8\u7684\u8fb9\u6846\u4e3a\u6b62\u3002\u7531\u4e8e\u6d6e\u52a8\u6846\u4e0d\u5728\u6587\u6863\u7684\u666e\u901a\u6d41\u4e2d\uff0c\u6240\u4ee5\u6587\u6863\u7684\u666e\u901a\u6d41\u4e2d\u7684\u5757\u6846\u8868\u73b0\u5f97\u5c31\u50cf\u6d6e\u52a8\u6846\u4e0d\u5b58\u5728\u4e00\u6837\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>CSS float\u5c5e\u6027<br>float\u5c5e\u6027\u5b9a\u4e49\u5143\u7d20\u5728\u54ea\u4e2a\u65b9\u5411\u6d6e\u52a8\u3002\u4ee5\u5f80\u8fd9\u4e2a\u5c5e\u6027\u603b\u5e94\u7528\u4e8e\u56fe\u50cf\uff0c\u4f7f\u6587\u672c\u56f4\u7ed5\u5728\u56fe\u50cf\u5468\u56f4\uff0c\u4e0d\u8fc7\u5728CSS\u4e2d\uff0c\u4efb\u4f55\u5143\u7d20\u90fd\u53ef\u4ee5\u6d6e\u52a8\uff0c\u4efb\u4f55\u5143\u7d20\u90fd\u53ef\u4ee5\u6d6e\u52a8\u3002\u6d6e\u52a8\u5143\u7d20\u4f1a\u751f\u6210\u4e00\u4e2a\u5757\u7ea7\u6846\uff0c\u800c\u4e0d\u8bba\u5b83\u672c\u8eab\u662f\u4f55\u79cd\u5143\u7d20\u3002<br>\u5982\u679c\u6d6e\u52a8\u975e\u66ff\u6362\u5143\u7d20\uff0c\u5219\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u660e\u786e\u7684\u5bbd\u5ea6\uff1b\u5426\u5219\uff0c\u5b83\u4eec\u4f1a\u5c3d\u53ef\u80fd\u5730\u7a84\u3002<br><em>\u6ce8\u91ca\uff1a\u5047\u5982\u5728\u4e00\u884c\u4e4b\u4e0a\u53ea\u6709\u6781\u5c11\u7684\u7a7a\u95f4\u53ef\u4f9b\u6d6e\u52a8\u5143\u7d20\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5143\u7d20\u4f1a\u8df3\u81f3\u4e0b\u4e00\u884c\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u6301\u7eed\u5230\u67d0\u4e00\u884c\u62e5\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u4e3a\u6b62\u3002<\/em><\/li><\/ul>\n\n\n\n<p>\u53ef\u80fd\u7684\u503c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u503c<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>left<\/td><td>\u5143\u7d20\u5411\u5de6\u6d6e\u52a8<\/td><\/tr><tr><td>right<\/td><td>\u5143\u7d20\u5411\u53f3\u6d6e\u52a8<\/td><\/tr><tr><td>none<\/td><td>\u9ed8\u8ba4\u503c\u3002\u5143\u7d20\u4e0d\u6d6e\u52a8\uff0c\u5e76\u4f1a\u663e\u793a\u5728\u5176\u5728\u6587\u672c\u4e2d\u51fa\u73b0\u7684\u4f4d\u7f6e<\/td><\/tr><tr><td>inherit<\/td><td>\u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627ffloat\u5c5e\u6027\u7684\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u884c\u6846\u548c\u6e05\u7406<\/li><li>CSS clear\u5c5e\u6027<br>clear\u5c5e\u6027\u89c4\u5b9a\u4e86\u5143\u7d20\u7684\u54ea\u4e00\u4fa7\u4e0d\u5141\u8bb8\u5176\u4ed6\u6d6e\u52a8\u5143\u7d20\u3002<br>\u53ef\u80fd\u7684\u503c:<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u503c<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>left<\/td><td>\u5728\u5de6\u4fa7\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20<\/td><\/tr><tr><td>right<\/td><td>\u5728\u53f3\u4fa7\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20<\/td><\/tr><tr><td>both<\/td><td>\u5728\u5de6\u53f3\u4e24\u4fa7\u5747\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20<\/td><\/tr><tr><td>none<\/td><td>\u9ed8\u8ba4\u503c\u3002\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20\u51fa\u73b0\u5728\u4e24\u4fa7<\/td><\/tr><tr><td>inherit<\/td><td>\u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627fclear\u5c5e\u6027\u7684\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"csse4bcaae7b1bbe4b88ee4bcaae58583e7b4a0-1\"><span class=\"ez-toc-section\" id=\"CSS%E4%BC%AA%E7%B1%BB%E4%B8%8E%E4%BC%AA%E5%85%83%E7%B4%A0\"><\/span>CSS\u4f2a\u7c7b\u4e0e\u4f2a\u5143\u7d20<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csse4bcaae7b1bb-1\"><span class=\"ez-toc-section\" id=\"CSS%E4%BC%AA%E7%B1%BB\"><\/span>CSS\u4f2a\u7c7b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CSS\u4f2a\u7c7b\u7528\u4e8e\u5411\u67d0\u4e9b\u9009\u62e9\u5668\u6dfb\u52a0\u7279\u6b8a\u7684\u6548\u679c<\/strong><br><strong>\u8bed\u6cd5<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector: pseudo-class {property: value}\n<\/code><\/pre>\n\n\n\n<p>CSS\u7c7b\u4e5f\u53ef\u4e0e\u4f2a\u7c7b\u642d\u914d\u4f7f\u7528:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector.class: pseudo-class{property: value}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u951a\u4f2a\u7c7b<br>\u5728\u652f\u6301CSS\u7684\u6d4f\u89c8\u5668\u4e2d\uff0c\u8fde\u63a5\u7684\u4e0d\u540c\u72b6\u6001\u90fd\u53ef\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u663e\u793a\uff0c\u8fd9\u4e9b\u72b6\u6001\u5305\u62ec\uff1a\u6d3b\u52a8\u72b6\u6001\uff0c\u5df2\u88ab\u8bbf\u95ee\u72b6\u6001\uff0c\u672a\u88ab\u8bbf\u95ee\u72b6\u6001\uff0c\u548c\u9f20\u6807\u60ac\u505c\u72b6\u6001\u3002<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">a:link {color: #FF0000}\t\t\/* \u672a\u8bbf\u95ee\u7684\u94fe\u63a5 *\/\na:visited {color: #00FF00}\t\/* \u5df2\u8bbf\u95ee\u7684\u94fe\u63a5 *\/\na:hover {color: #FF00FF}\t\/* \u9f20\u6807\u79fb\u52a8\u5230\u94fe\u63a5\u4e0a *\/\na:active {color: #0000FF}\t\/* \u9009\u5b9a\u7684\u94fe\u63a5 *\/\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f2a\u7c7b\u4e0eCSS\u7c7b<br>\u4f2a\u7c7b\u53ef\u4ee5\u4e0eCSS\u7c7b\u914d\u5408\u4f7f\u7528:<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">a.red : visited {color: #FF0000}\n\n&lt;a class=\"red\" href=\"css_syntax.asp\"&gt;CSS Syntax&lt;\/a&gt;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>CSS2-:first-child\u7c7b<br>\u6ce8\u610f\u8fd9\u91cc\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\u662f\u8bf4\u9009\u62e9\u7684\u8fd9\u4e2a\u5143\u7d20\u662f\u67d0\u4e2a\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\uff0c\u800c\u4e0d\u662f\u9009\u62e9\u8fd9\u4e2a\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\u3002<\/li><li>CSS2-:lang\u4f2a\u7c7b<br>:lang\u4f2a\u7c7b\u4f7f\u4f60\u6709\u80fd\u529b\u4e3a\u4e0d\u540c\u7684\u8bed\u8a00\u5b9a\u4e49\u7279\u6b8a\u7684\u89c4\u5219\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c:lang\u7c7b\u4e3a\u5c5e\u6027\u503c\u4e3ano\u7684q\u5143\u7d20\u5b9a\u4e49\u5f15\u53f7\u7684\u7c7b\u578b\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">&lt;html&gt;\n&lt;head&gt;\n\n&lt;style type=\"text\/css\"&gt;\nq:lang(no)\n   {\n   quotes: \"~\" \"~\"\n   }\n&lt;\/style&gt;\n\n&lt;\/head&gt;\n\n&lt;body&gt;\n&lt;p&gt;\u6587\u5b57&lt;q lang=\"no\"&gt;\u6bb5\u843d\u4e2d\u7684\u5f15\u7528\u7684\u6587\u5b57&lt;\/q&gt;\u6587\u5b57&lt;\/p&gt;\n&lt;\/body&gt;&lt;\/html&gt;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f2a\u7c7b<br>CSS\u5217\u6307\u51fa\u8be5\u5c5e\u6027\u5728\u54ea\u4e2aCSS\u7248\u672c\u4e2d\u5b9a\u4e49(CSS1\u8fd8\u662fCSS2)\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><th>CSS<\/th><\/tr><\/thead><tbody><tr><td>:active<\/td><td>\u5411\u88ab\u6fc0\u6d3b\u7684\u5143\u7d20\u6dfb\u52a0\u6837\u5f0f\u3002<\/td><td>1<\/td><\/tr><tr><td>:focus<\/td><td>\u5411\u62e5\u6709\u952e\u76d8\u8f93\u5165\u7126\u70b9\u7684\u5143\u7d20\u6dfb\u52a0\u6837\u5f0f\u3002<\/td><td>2<\/td><\/tr><tr><td>:hover<\/td><td>\u5f53\u9f20\u6807\u60ac\u6d6e\u5728\u5143\u7d20\u4e0a\u65b9\u65f6\uff0c\u5411\u5143\u7d20\u6dfb\u52a0\u6837\u5f0f\u3002<\/td><td>1<\/td><\/tr><tr><td>:link<\/td><td>\u5411\u672a\u88ab\u8bbf\u95ee\u7684\u94fe\u63a5\u6dfb\u52a0\u6837\u5f0f<\/td><td>1<\/td><\/tr><tr><td>:visited<\/td><td>\u5411\u5df2\u88ab\u8bbf\u95ee\u7684\u94fe\u63a5\u6dfb\u52a0\u6837\u5f0f<\/td><td>1<\/td><\/tr><tr><td>:first-child<\/td><td>\u5411\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\u6dfb\u52a0\u6837\u5f0f<\/td><td>2<\/td><\/tr><tr><td>:lang<\/td><td>\u5411\u5e26\u6709\u6307\u5b9alang\u5c5e\u6027\u7684\u5143\u7d20\u6dfb\u52a0\u6837\u5f0f<\/td><td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>##CSS\u4f2a\u5143\u7d20##<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8bed\u6cd5<br>\u4f2a\u5143\u7d20\u7684\u8bed\u6cd5\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector: pseudo-element{property: value;}\n<\/code><\/pre>\n\n\n\n<p>CSS\u7c7b\u4e5f\u53ef\u4ee5\u4e0e\u4f2a\u5143\u7d20\u914d\u5408\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">selector: pseudo-element{property: value;}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>first-line\u5143\u7d20<br>&#8220;first-line&#8221;\u4f2a\u5143\u7d20\u7528\u4e8e\u5411\u6587\u672c\u7684\u9996\u884c\u8bbe\u7f6e\u7279\u6b8a\u6837\u5f0f\u3002<br><em>\u6ce8\u91ca\uff1a&#8221;first-line&#8221;\u4f2a\u5143\u7d20\u53ea\u80fd\u7528\u4e8e\u5757\u7ea7\u5143\u7d20\u3002<\/em><br>\u4e0b\u9762\u7684\u5c5e\u6027\u53ef\u5e94\u7528\u4e8e&#8221;first-line&#8221;\u4f2a\u5143\u7d20\uff1a<ul><li>font<\/li><li>color<\/li><li>background<\/li><li>word-spacing<\/li><li>letter-spacing<\/li><li>text-decoration<\/li><li>vertical-align<\/li><li>text-transform<\/li><li>line-height<\/li><li>clear<\/li><\/ul><\/li><li>:first-letter\u4f2a\u5143\u7d20<br><em>\u6ce8\u91ca:&#8221;first-letter&#8221;\u4f2a\u5143\u7d20\u7528\u4e8e\u5411\u6587\u672c\u7684\u9996\u5b57\u6bcd\u8bbe\u7f6e\u7279\u6b8a\u6837\u5f0f\u3002<\/em><br>&#8220;first-letter&#8221;\u4f2a\u5143\u7d20\u53ea\u80fd\u7528\u4e8e\u5757\u7ea7\u5143\u7d20\u3002\u4e0b\u9762\u7684\u5c5e\u6027\u53ef\u5e94\u7528\u4e8e&#8221;first-letter&#8221;\u4f2a\u5143\u7d20:<ul><li>font<\/li><li>color<\/li><li>background<\/li><li>margin<\/li><li>padding<\/li><li>border<\/li><li>text-decoration<\/li><li>vertical-align(\u4ec5\u5f53float\u4e3anone\u65f6)<\/li><li>text-transform<\/li><li>line-height<\/li><li>float<\/li><li>clear<\/li><\/ul><\/li><li>\u4f2a\u5143\u7d20\u548cCSS\u7c7b<br>\u4f2a\u5143\u7d20\u53ef\u4ee5\u4e0eCSS\u7c7b\u914d\u5408\u4f7f\u7528\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">p.article:first-letter\n  {\n  color: #FF0000;\n  }\n\n&lt;p class=\"article\"&gt;This is a paragraph in an article\u3002&lt;\/p&gt;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>CSS2-:before\u4f2a\u5143\u7d20<br>&#8220;:before&#8221;\u4f2a\u5143\u7d20\u53ef\u4ee5\u5728\u5143\u7d20\u7684\u5185\u5bb9\u524d\u9762\u63d2\u5165\u65b0\u5185\u5bb9\u3002<br>\u4e0b\u9762\u7684\u4f8b\u5b50\u5728\u6bcf\u4e2ah1\u5143\u7d20\u524d\u9762\u63d2\u5165\u4e00\u5e45\u56fe\u7247\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1:before\n  {\n  content:url(logo.gif);\n  }\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>CSS2-:after\u4f2a\u5143\u7d20<br>&#8220;:after&#8221;\u4f2a\u5143\u7d20\u53ef\u4ee5\u5728\u5143\u7d20\u7684\u5185\u5bb9\u4e4b\u540e\u63d2\u5165\u65b0\u5185\u5bb9\u3002<br>\u4e0b\u9762\u7684\u4f8b\u5b50\u5728\u6bcf\u4e2ah1\u5143\u7d20\u540e\u9762\u63d2\u5165\u4e00\u5e45\u56fe\u7247\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">h1:after\n  {\n  content:url(logo.gif);\n  }\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f2a\u5143\u7d20<br>CSS\u5217\u6307\u51fa\u8be5\u5c5e\u6027\u5728\u54ea\u4e2aCSS\u7248\u672c\u4e2d\u5b9a\u4e49(CSS1\u8fd8\u662fCSS2)\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c5e\u6027<\/th><th>\u63cf\u8ff0<\/th><th>CSS<\/th><\/tr><\/thead><tbody><tr><td>:first-letter<\/td><td>\u5411\u6587\u672c\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u6dfb\u52a0\u7279\u6b8a\u6837\u5f0f<\/td><td>1<\/td><\/tr><tr><td>:first-line<\/td><td>\u5411\u6587\u672c\u7684\u9996\u884c\u6dfb\u52a0\u7279\u6b8a\u6837\u5f0f<\/td><td>1<\/td><\/tr><tr><td>:before<\/td><td>\u5728\u5143\u7d20\u4e4b\u524d\u6dfb\u52a0\u5185\u5bb9<\/td><td>2<\/td><\/tr><tr><td>:after<\/td><td>\u5728\u5143\u7d20\u4e4b\u540e\u6dfb\u52a0\u5185\u5bb9<\/td><td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>CSS\u6982\u8ff0 CSS\u6307\u5c42\u53e0\u6837\u5f0f\u8868(Cascading Style Sheets) \u6837\u5f0f\u5b9a\u4e49\u5982\u4f55\u663e\u793aHTML\u5143\u7d20 \u6837\u5f0f\u901a\u5e38\u5b58\u50a8\u5728\u6837\u5f0f\u8868\u4e2d \u628a\u6837\u5f0f\u6dfb\u52a0\u5230HTML 4.0 \u4e2d\uff0c\u662f\u4e3a\u4e86\u89e3\u51b3\u5185\u5bb9\u4e0e\u8868\u73b0\u5206\u79bb\u7684\u95ee\u9898 &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[91,90],"class_list":["post-829","post","type-post","status-publish","format-standard","hentry","category-10","tag-css","tag-web"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=829"}],"version-history":[{"count":1,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/829\/revisions"}],"predecessor-version":[{"id":833,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/829\/revisions\/833"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}