代码一：
<html>
<head>
<title>css圆角效果</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<style type="text/css">
div.RoundedCorner{background: #9BD1FA}
b.rtop, b.rbottom{display:block;background: #FFF}
b.rtop b, b.rbottom b{display:block;height: 1px;overflow: hidden; background: #9BD1FA}
b.r1{margin: 0 5px}
b.r2{margin: 0 3px}
b.r3{margin: 0 2px}
b.rtop b.r4, b.rbottom b.r4{margin: 0 1px;height: 2px}
</style>
</head>
<body>
<div class="RoundedCorner">
<b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b>
代码二：
<html xmlns:v>
<style>
v\:*{behavior:url(#default#VML)}
</style>
<body>
<v:RoundRect style="position:relative;width:150;height:240px">
<v:shadow on="T" type="single" color="#b3b3b3" offset="3px,3px"/>
<v:TextBox style="font-size:10.2pt;">VML</v:TextBox>
</v:RoundRect>
</body>
</html>
