<html>
<head>
<title>圆形头像</title>
<style type="text/css">
.radius{width:100px;height:100px;
-moz-border-radius:50px;
-webkit-border-radius:50px;
border:solid 1px #aaa;
border-radius:50px;
-khtml-border-radius:50px;}
</style>
</head>
<body>
<img src="http://avatar.csdn.net/F/5/E/2_baidu_21029481.jpg" class="radius" />
</body>
</htm>
