css样式3种写法备注

三中的使用方法的简单实例如下:

行内样式:

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<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>css行内样式</title>
</head>
<body>
<div style="100px;height:100px;background:red;"></div>>
     
</body>
</html>

内嵌样式:

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!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>css内嵌样式</title>
</head>
<body>
<style type="text/css">
#div{100px;height:100px;background:red;}
</style>
<div id="div"></div>>
     
</body>
</html>

外部式:

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<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>css内嵌样式</title>
    <link rel="stylesheet" type="text/css" href="ccss.css">
</head>
<body>
<div id="div"></div>>
     
</body>
</html>

css文件

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#div{width:100px;height:100px;background:red;}
原文地址:https://www.cnblogs.com/wu-hou/p/6936680.html