trycss_background-position 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>
body
{ 
    background-image:url('/statics/images/course/smiley.gif');
    background-repeat:no-repeat;
    background-attachment:fixed;
    background-position:center; 
}
</style>
</head>
<body>
<p><b>注意:</b> 该属性工作在 Firefox 和 Opera, background-attachment 属性会被设置为 "fixed".</p>
</body>
</html>
 
 
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运行结果
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