{"id":761,"date":"2018-02-25T20:40:24","date_gmt":"2018-02-25T12:40:24","guid":{"rendered":"http:\/\/60.205.208.74\/2018\/02\/25\/css-%e5%88%9b%e5%bb%ba\/"},"modified":"2018-02-25T20:40:24","modified_gmt":"2018-02-25T12:40:24","slug":"css-%e5%88%9b%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/www.puzi7.net\/?p=761","title":{"rendered":"CSS \u521b\u5efa"},"content":{"rendered":"<span itemprop=\"description\"><div class=\"article-body\">\n<div class=\"article-intro\" id=\"content\">\n<h1>CSS <span class=\"color_h1\">\u521b\u5efa<\/span><br \/>\n<\/h1>\n<hr>\n<p class=\"intro\">\u5f53\u8bfb\u5230\u4e00\u4e2a\u6837\u5f0f\u8868\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u6839\u636e\u5b83\u6765\u683c\u5f0f\u5316 HTML \u6587\u6863\u3002<\/p>\n<hr>\n<h2>\u5982\u4f55\u63d2\u5165\u6837\u5f0f\u8868<\/h2>\n<p>\u63d2\u5165\u6837\u5f0f\u8868\u7684\u65b9\u6cd5\u6709\u4e09\u79cd:<\/p>\n<ul>\n<li>\u5916\u90e8\u6837\u5f0f\u8868(External style sheet)<\/li>\n<li>\u5185\u90e8\u6837\u5f0f\u8868(Internal style sheet)<\/li>\n<li>\u5185\u8054\u6837\u5f0f(Inline style)<\/li>\n<\/ul>\n<hr>\n<h2>\u5916\u90e8\u6837\u5f0f\u8868<\/h2>\n<p>\u5f53\u6837\u5f0f\u9700\u8981\u5e94\u7528\u4e8e\u5f88\u591a\u9875\u9762\u65f6\uff0c\u5916\u90e8\u6837\u5f0f\u8868\u5c06\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002\u5728\u4f7f\u7528\u5916\u90e8\u6837\u5f0f\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u4e00\u4e2a\u6587\u4ef6\u6765\u6539\u53d8\u6574\u4e2a\u7ad9\u70b9\u7684\u5916\u89c2\u3002\u6bcf\u4e2a\u9875\u9762\u4f7f\u7528  &lt;link&gt; \u6807\u7b7e\u94fe\u63a5\u5230\u6837\u5f0f\u8868\u3002 &lt;link&gt; \u6807\u7b7e\u5728\uff08\u6587\u6863\u7684\uff09\u5934\u90e8\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">link<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">rel<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">stylesheet<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">type<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">text\/css<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">href<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">mystyle.css<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><\/div>\n<\/div>\n<\/div>\n<p>\u6d4f\u89c8\u5668\u4f1a\u4ece\u6587\u4ef6 mystyle.css \u4e2d\u8bfb\u5230\u6837\u5f0f\u58f0\u660e\uff0c\u5e76\u6839\u636e\u5b83\u6765\u683c\u5f0f\u6587\u6863\u3002<\/p>\n<p>\u5916\u90e8\u6837\u5f0f\u8868\u53ef\u4ee5\u5728\u4efb\u4f55\u6587\u672c\u7f16\u8f91\u5668\u4e2d\u8fdb\u884c\u7f16\u8f91\u3002\u6587\u4ef6\u4e0d\u80fd\u5305\u542b\u4efb\u4f55\u7684 html \u6807\u7b7e\u3002\u6837\u5f0f\u8868\u5e94\u8be5\u4ee5 .css \u6269\u5c55\u540d\u8fdb\u884c\u4fdd\u5b58\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u6837\u5f0f\u8868\u6587\u4ef6\u7684\u4f8b\u5b50\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-identifier\">hr<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-brackets\">{<\/span><span class=\"hl-reserved\">color:<\/span><span class=\"hl-code\">sienna<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<\/span><span class=\"hl-brackets\">}<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-identifier\">p<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-brackets\">{<\/span><span class=\"hl-reserved\">margin-left:<\/span><span class=\"hl-number\">20<\/span><span class=\"hl-string\">px<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<\/span><span class=\"hl-brackets\">}<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-identifier\">body<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-brackets\">{<\/span><span class=\"hl-reserved\">background-image:<\/span><span class=\"hl-code\">url<\/span><span class=\"hl-code\">(&#8220;\/<\/span><span class=\"hl-code\">images<\/span><span class=\"hl-code\">\/<\/span><span class=\"hl-code\">back40<\/span><span class=\"hl-code\">.<\/span><span class=\"hl-code\">gif<\/span><span class=\"hl-code\">&#8220;)<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<\/span><span class=\"hl-brackets\">}<\/span><\/div>\n<\/div>\n<\/div>\n<blockquote>\n<p><img decoding=\"async\" src=\"\/images\/lamp.gif\" alt=\"Remark\"> \u4e0d\u8981\u5728\u5c5e\u6027\u503c\u4e0e\u5355\u4f4d\u4e4b\u95f4\u7559\u6709\u7a7a\u683c\uff08\u5982\uff1a&#8221;margin-left: 20 px&#8221; \uff09\uff0c\u6b63\u786e\u7684\u5199\u6cd5\u662f &#8220;margin-left: 20px&#8221; \u3002<\/p>\n<\/blockquote>\n<hr>\n<h2>\u5185\u90e8\u6837\u5f0f\u8868<\/h2>\n<p>\u5f53\u5355\u4e2a\u6587\u6863\u9700\u8981\u7279\u6b8a\u7684\u6837\u5f0f\u65f6\uff0c\u5c31\u5e94\u8be5\u4f7f\u7528\u5185\u90e8\u6837\u5f0f\u8868\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528  &lt;style&gt; \u6807\u7b7e\u5728\u6587\u6863\u5934\u90e8\u5b9a\u4e49\u5185\u90e8\u6837\u5f0f\u8868\uff0c\u5c31\u50cf\u8fd9\u6837:<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">style<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\nhr {color:sienna;}<br \/>\np {margin-left:20px;}<br \/>\nbody {background-image:url(&#8220;images\/back40.gif&#8221;);}<br \/>\n<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">style<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><\/div>\n<\/div>\n<\/div>\n<p><\/p>\n<hr>\n<h2>\u5185\u8054\u6837\u5f0f<\/h2>\n<p>\u7531\u4e8e\u8981\u5c06\u8868\u73b0\u548c\u5185\u5bb9\u6df7\u6742\u5728\u4e00\u8d77\uff0c\u5185\u8054\u6837\u5f0f\u4f1a\u635f\u5931\u6389\u6837\u5f0f\u8868\u7684\u8bb8\u591a\u4f18\u52bf\u3002\u8bf7\u614e\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\u5f53\u6837\u5f0f\u4ec5\u9700\u8981\u5728\u4e00\u4e2a\u5143\u7d20\u4e0a\u5e94\u7528\u4e00\u6b21\u65f6\u3002<\/p>\n<p>\u8981\u4f7f\u7528\u5185\u8054\u6837\u5f0f\uff0c\u4f60\u9700\u8981\u5728\u76f8\u5173\u7684\u6807\u7b7e\u5185\u4f7f\u7528\u6837\u5f0f\uff08style\uff09\u5c5e\u6027\u3002Style \u5c5e\u6027\u53ef\u4ee5\u5305\u542b\u4efb\u4f55 CSS \u5c5e\u6027\u3002\u672c\u4f8b\u5c55\u793a\u5982\u4f55\u6539\u53d8\u6bb5\u843d\u7684\u989c\u8272\u548c\u5de6\u5916\u8fb9\u8ddd\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">p<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">style<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">color:sienna;margin-left:20px<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\">\u8fd9\u662f\u4e00\u4e2a\u6bb5\u843d\u3002<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">p<\/span><span class=\"hl-brackets\">&gt;<\/span><\/div>\n<\/div>\n<\/div>\n<p><\/p>\n<hr>\n<h2>\u591a\u91cd\u6837\u5f0f<\/h2>\n<p>\u5982\u679c\u67d0\u4e9b\u5c5e\u6027\u5728\u4e0d\u540c\u7684\u6837\u5f0f\u8868\u4e2d\u88ab\u540c\u6837\u7684\u9009\u62e9\u5668\u5b9a\u4e49\uff0c\u90a3\u4e48\u5c5e\u6027\u503c\u5c06\u4ece\u66f4\u5177\u4f53\u7684\u6837\u5f0f\u8868\u4e2d\u88ab\u7ee7\u627f\u8fc7\u6765\u3002\u00a0<\/p>\n<p>\u4f8b\u5982\uff0c\u5916\u90e8\u6837\u5f0f\u8868\u62e5\u6709\u9488\u5bf9 h3 \u9009\u62e9\u5668\u7684\u4e09\u4e2a\u5c5e\u6027\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-identifier\">h3<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">{<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-reserved\">color:<\/span><span class=\"hl-var\">red<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<br \/>\n    <\/span><span class=\"hl-reserved\">text-align:<\/span><span class=\"hl-string\">left<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<br \/>\n    <\/span><span class=\"hl-reserved\">font-size:<\/span><span class=\"hl-number\">8<\/span><span class=\"hl-string\">pt<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<br \/>\n<\/span><span class=\"hl-brackets\">}<\/span><\/div>\n<\/div>\n<\/div>\n<p>\u800c\u5185\u90e8\u6837\u5f0f\u8868\u62e5\u6709\u9488\u5bf9 h3 \u9009\u62e9\u5668\u7684\u4e24\u4e2a\u5c5e\u6027\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-identifier\">h3<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">{<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-reserved\">text-align:<\/span><span class=\"hl-string\">right<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<br \/>\n    <\/span><span class=\"hl-reserved\">font-size:<\/span><span class=\"hl-number\">20<\/span><span class=\"hl-string\">pt<\/span><span class=\"hl-reserved\"><\/span><span class=\"hl-code\">;<br \/>\n<\/span><span class=\"hl-brackets\">}<\/span><\/div>\n<\/div>\n<\/div>\n<p>\u5047\u5982\u62e5\u6709\u5185\u90e8\u6837\u5f0f\u8868\u7684\u8fd9\u4e2a\u9875\u9762\u540c\u65f6\u4e0e\u5916\u90e8\u6837\u5f0f\u8868\u94fe\u63a5\uff0c\u90a3\u4e48 h3 \u5f97\u5230\u7684\u6837\u5f0f\u662f\uff1a<\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-identifier\">color<\/span><span class=\"hl-special\">:red<\/span><span class=\"hl-code\">;<br \/>\n<\/span><span class=\"hl-identifier\">text-align<\/span><span class=\"hl-special\">:right<\/span><span class=\"hl-code\">;<br \/>\n<\/span><span class=\"hl-identifier\">font-size<\/span><span class=\"hl-code\">:20<\/span><span class=\"hl-identifier\">pt<\/span><span class=\"hl-code\">;<\/span><\/div>\n<\/div>\n<\/div>\n<p>\u5373\u989c\u8272\u5c5e\u6027\u5c06\u88ab\u7ee7\u627f\u4e8e\u5916\u90e8\u6837\u5f0f\u8868\uff0c\u800c\u6587\u5b57\u6392\u5217\uff08text-alignment\uff09\u548c\u5b57\u4f53\u5c3a\u5bf8\uff08font-size\uff09\u4f1a\u88ab\u5185\u90e8\u6837\u5f0f\u8868\u4e2d\u7684\u89c4\u5219\u53d6\u4ee3\u3002<\/p>\n<hr>\n<h2>\u591a\u91cd\u6837\u5f0f\u4f18\u5148\u7ea7<\/h2>\n<p>\u6837\u5f0f\u8868\u5141\u8bb8\u4ee5\u591a\u79cd\u65b9\u5f0f\u89c4\u5b9a\u6837\u5f0f\u4fe1\u606f\u3002\u6837\u5f0f\u53ef\u4ee5\u89c4\u5b9a\u5728\u5355\u4e2a\u7684 HTML \u5143\u7d20\u4e2d\uff0c\u5728 HTML \u9875\u7684\u5934\u5143\u7d20\u4e2d\uff0c\u6216\u5728\u4e00\u4e2a\u5916\u90e8\u7684 CSS \u6587\u4ef6\u4e2d\u3002\u751a\u81f3\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a HTML \u6587\u6863\u5185\u90e8\u5f15\u7528\u591a\u4e2a\u5916\u90e8\u6837\u5f0f\u8868\u3002<\/p>\n<p>\n\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4f18\u5148\u7ea7\u5982\u4e0b\uff1a\n<\/p>\n<p><b><br \/>\n\u5185\u8054\u6837\u5f0f\uff09Inline style &gt; \uff08\u5185\u90e8\u6837\u5f0f\uff09Internal style sheet &gt;\uff08\u5916\u90e8\u6837\u5f0f\uff09External style sheet  &gt; \u6d4f\u89c8\u5668\u9ed8\u8ba4\u6837\u5f0f<\/b><\/p>\n<div class=\"example\">\n<div class=\"example_code\">\n<div class=\"hl-main\"><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-comment\">&lt;!&#8211;<\/span><span class=\"hl-comment\"> \u5916\u90e8\u6837\u5f0f style.css <\/span><span class=\"hl-comment\">&#8211;&gt;<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">link<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">rel<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">stylesheet<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">type<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">text\/css<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">href<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">style.css<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-brackets\">\/&gt;<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-comment\">&lt;!&#8211;<\/span><span class=\"hl-comment\"> \u8bbe\u7f6e\uff1ah3{color:blue;} <\/span><span class=\"hl-comment\">&#8211;&gt;<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">style<\/span><span class=\"hl-code\"> <\/span><span class=\"hl-var\">type<\/span><span class=\"hl-code\">=<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-string\">text\/css<\/span><span class=\"hl-quotes\">&#8220;<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n      \/* \u5185\u90e8\u6837\u5f0f *\/<br \/>\n      h3{color:green;}<br \/>\n    <\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">style<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">head<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">body<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n    <\/span><span class=\"hl-brackets\">&lt;<\/span><span class=\"hl-reserved\">h3<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\">\u6d4b\u8bd5\uff01<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">h3<\/span><span class=\"hl-brackets\">&gt;<\/span><span class=\"hl-code\"><br \/>\n<\/span><span class=\"hl-brackets\">&lt;\/<\/span><span class=\"hl-reserved\">body<\/span><span class=\"hl-brackets\">&gt;<\/span><\/div>\n<\/div>\n<\/div>\n<blockquote>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u5982\u679c\u5916\u90e8\u6837\u5f0f\u653e\u5728\u5185\u90e8\u6837\u5f0f\u7684\u540e\u9762\uff0c\u5219\u5916\u90e8\u6837\u5f0f\u5c06\u8986\u76d6\u5185\u90e8\u6837\u5f0f\u3002<\/p>\n<\/blockquote><\/div>\n<\/p><\/div>\n<span>","protected":false},"excerpt":{"rendered":"<p class=\"excerpt\"><span itemprop=\"description\">CSS \u521b\u5efa \u5f53\u8bfb\u5230\u4e00\u4e2a\u6837\u5f0f\u8868\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u6839\u636e\u5b83\u6765\u683c\u5f0f\u5316 HTML \u6587\u6863\u3002 \u5982\u4f55\u63d2\u5165\u6837\u5f0f\u8868&hellip;<\/span><\/p>\n<p class=\"more-link-p btn-align-right\"><a class=\"green zoom-btn\" href=\"https:\/\/www.puzi7.net\/?p=761\">Read 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