trycss_sel_after_style 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
<style>
p:after
{ 
    content:"- Remember this";
    background-color:yellow;
    color:red;
    font-weight:bold;
}
</style>
</head>
<body>
<p>My name is Donald</p>
<p>I live in Ducksburg</p>
<p><b>注意:</b>:after作用于IE8 以及更早版本的浏览器,DOCTYPE 必须已经声明.</p>
</body>
</html>
 
 
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运行结果
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