<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Document</title>
<style type="text/css">
.box {
background-color: #f0f0f0;
width: 740px;
height: 40px;
border: 1px solid #d7d7d7;
-moz-border-radius: 11px;
-webkit-border-radius: 11px;
border-radius: 11px;
behavior: url(ie-css3.htc);
}
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
下载地址：http://css3pie.com/download/
原文：http://www.cnblogs.com/rainheader/p/4609768.html