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源代碼:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>Wfuyu教程(wfuyu.com)</title>
<style> 
div
{
	border:1px solid black;
	padding:35px;
	background-image:url('/statics/images/course/smiley.gif');
	background-repeat:no-repeat;
	background-position:left;
}
#div1
{
	background-origin:border-box;
}
#div2
{
	background-origin:content-box;
}
</style>
</head>
<body>

<p>background-origin:border-box:</p>
<div   class="mwsqua40mo"   id="div1">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
</div>

<p>background-origin:content-box:</p>
<div   class="mwsqua40mo"   id="div2">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
</div>

</body>
</html>

運行結果：

日本搞逼视频_黄色一级片免费在线观看_色99久久_性明星video另类hd_欧美77_综合在线视频