CSS3之Border-radius

1、属性介绍

border-radius：none|12.3px，取值不可为负数，表示边框圆角

相关属性：border-top-right-radius ,

border-bottom-right-radius ,

border-bottom-left-radius ,

border-top-left-radius

2、版本兼容性

（1）IE不兼容

（2）火狐2.0不兼容

（3）Opera 9.64不兼容

（4）Chrome 1.0.x和2.0.x兼容

3、属性实例

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSS3之Border-radius</title>
<style type="text/css">
    body{
		50%;
		height:100%;
		font-size:14px;
	}
    div{
		100%;
		height:100px;
		text-align:center;
		vertical-align:middle;
		alignment-adjust:after-edge;
		alignment-baseline:after-edge;
		font-family:Tahoma, Geneva, sans-serif;
		
		border-style:solid;
		border-thick;
		
		-moz-border-radius:12px;
		-webkit-border-radius:20px;
		
		-moz-border-radius-bottomleft:12px;
		-webkit-border-bottom-left-radius:12px;
		
		-moz-border-radius-bottomright:12px;
		-webkit-border-bottom-right-radius:12px;
		
		-moz-border-radius-topleft:12px;
		-webkit-border-top-left-radius:12px;
		
		-moz-border-radius-topright:12px;
		-webkit-border-top-right-radius:12px;
	}
</style>
</head>

<body>
   <div>
      设置边框四方向的圆角
   </div>

</body>
</html>

4、浏览器运行结果