一个CSS上中下三行三列结构的Div布局-优快云博客

本文详细介绍了如何使用HTML和CSS创建一个具有上中下三行和左中右三列的Div布局，通过设置高度、宽度、背景颜色和浮动属性来实现布局效果。

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<!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";  lang="gb2312"> 
<head> 
<meta  http-equiv="Content-Type"  content="text/html;  charset=gb2312"  /> 
<title>上中下三行三列结构的Div布局</title> 
<style>
body{text-align:center;margin:0;padding:0}
div 
{ 
                height:200px; 
} 
.title 
{ 
                margin:0  auto; 
                width:776px; 
                background-color:#abcdef; 
} 
.middle 
{ 
                margin:0  auto; 
                width:776px; 
} 
.left 
{ 
                float:left; 
                clear:right; 
                width:20%; 
                background-color:#eeefff; 
} 
.center 
{ 
                float:left; 
                clear:right; 
                width:50%; 
                background-color:#CCC000; 
} 
.right 
{ 
                 
                float:left; 
                clear:right; 
                width:30%; 
                background-color:#fff000; 
} 
.both 
{ 
                clear:both;   
                width:100%; 
                background-color:#666999;   
} 
.footer 
{                 
                margin:0  auto; 
                width:776px; 
                clear:both;   
                background-color:#000fff;   
} 
</style> 
</head> 
<body> 
<div  class="title">顶部</div> 
<div  class="middle"> 
                <div  class="left">左侧</div> 
                <div  class="center">中部</div> 
                <div  class="right">右侧</div> 
                <div  class="both">全行</div> 
                <div  class="left">左侧</div> 
                <div  class="center">中部</div> 
                <div  class="right">右侧</div> 
                <div  class="both">全行</div> 
                <div  class="left">左侧</div> 
                <div  class="center">中侧</div> 
                <div  class="right">右侧</div> 
</div> 
<div  class="footer">底部</div> 
</body> 
</html>

转载地址：http://blog.youkuaiyun.com/chinalogs/article/details/7617117