<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<style>
#left .difference .content
{
width:668px;/*690px*/
padding: 10px;
border-left:1px solid #CCCCCC;
border-right:1px solid #CCCCCC;
color:#5F5F5F;
}
</style>
</head>
<body>
<div id="left">
<div class="differentce">
<div class="content">css 利用父类定义子容器右右边框jb200.com</div>
</div>
</div>
</body>
</html>
