<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>CSS滑动门圆角</title>
<style type="text/css">
.huadong{ width:500px; border:1px solid #ccc; line-height:50px; padding-top:20px;}
.huadong .title{ width:100px; padding-left:16px; background:url(images/huadong.png) no-repeat 0 0; }
.huadong .hd{ padding-right:16px; background:#fff url(images/huadong.png) no-repeat 100% 0; font-size:14px; color:#333;}
</style>
</head>
<body>
<div>
<div>
<div>
<h2>title</h2>
</div>
</div>
<div></div>
</div>
</body>
</html>
原文：http://my.oschina.net/glelaine/blog/299279