<!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>无标题文档</title>
<style>
*{margin:0;padding:0;}
body{width:1000px;height:100px;background:#F00}
.main{height:50px;background:#999}
.look{background:#009;width:800px;height:800px;margin:0 auto;}
.book{background:#FF0;height:150px;}
.look_top{background:#0F0;height;50px;width:70px;margin:0 auto;}
.look_left{background:#990;height:200px;width:200px;float:left;}
.look_right{background:#0FF;height:300px;width:300px;float:right;}
</style>
</head>
<body>
<div class="main"></div>
<div class="look">
<div class="look_left"></div>
<div class="look_right"></div>
<div class="look_top"></div>
</div>
<div class="book"></div>
</body>
</html>
look_top为啥不显示 在div里打字后才显示
淡雅的默
Lynn丶Hung
卡迪亚兹