css混合布局遇到问题？
为什么像所教的那样设置，效果不一致
2 回答
参考 一下
<!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>混合布局</title>
<style>
body{ margin:0; padding:0; font-size:30px; font-weight:bold}
div{ text-align:center; line-height:50px}
.top{ height:100px;background:#9CF}
.head,.main{ width:960px; margin:0 auto;}
.head{ height:100px; background:#F90}
.left{ width:220px; height:600px; background:#ccc; float:left;}
.right{ width:740px; height:600px;background:#FCC; float:right}
.r_sub_left{ width:540px; height:600px; background:#9C3; float:left}
.r_sub_right{ width:200px; height:600px; background:#9FC; float:right;}
.footer{ height:50px; background:#9F9; clear:both;}
</style>
</head>
<body>
<div class="top">
<div class="head">head</div>
</div>
<div class="main">
<div class="left">left</div>
<div class="right">
<div class="r_sub_left">sub_left
</div>
<div class=" r_sub_right">sub_right
</div>
</div>
</div>
<div class="footer">footer</div>
</body>
</html>
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