css 层居中

<html>
<head><title>..</title></head>

<style>

body {TEXT-ALIGN: center;}

 
 #wrappera { width:1006px; height:300px; margin:0px auto; background-color:#ffcc33}

#wrapperb{clear: both; margin: 0 auto 0px; min-height: 300px;padding: 0;width: 

1006px;overflow:hidden; background-color:#ffcc33}
</style>

<body>
<div id="containera">

<div id=wrappera>123</div>

<br>
<div id=wrapperb>234</div>

</div>
</body>
</html>

posted on 2012-10-12 15:27 蓝蓝的天2016 阅读(153) 评论(0) 收藏举报