html/css 布局练习3
效果图：
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" alt="" />
<!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>
.body{width:300px;height:300px; margin:100px; border:10px solid #CCC;}
.left{width:150px; height:300px; background-color:#3C9; float:left;}
.top{width:150px; height:100px; background-color:#FC6; float:left;}
.center{width:150px; height:100px;}
.centerleft{width:75px; height:100px; background-color:#F09; float:left;}
.centerright{width:75px; height:100px; background-color:#9FF; float:left;}
.bottom{width:150px; height:100px; background-color:#69F; float:left;
</style>
</head> <body>
<div class="body">
<div class="left"></div>
<div class="top"></div>
<div class="centerleft"></div>
<div class="centerright"></div>
<div class="bottom"></div> </div>
</body>
自己过了几天利用after伪类+zoom的另一种写法：
<!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>
.clear{zoom:1;}
.clear:after{content:""; display:block; clear:both;}
.wrap{width:500px;margin:0 auto;border:10px solid #ccc;}
.left{width:200px;height:400px;background:#7a1;float:left;}
.right{width:300px; float:right;}
.right_top{height:80px; background-color:#F90;} .right_center_left{width:150px;height:160px;background:#f69; float:left;}
.right_center_right{width:150px;height:160px;background-color:#FCC; float:left;}
.bottom{height:160px;background:#369;}
</style>
</head> <body>
<div class="wrap clear">
<div class="left">
</div>
<div class="right">
<div class="right_top"></div>
<div class="right_center clear">
<div class="right_center_left"></div>
<div class="right_center_right"></div>
</div>
<div class="bottom"></div>
</div>
</div>
</body>
</html>
效果图：
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" 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