<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Float属性布局</title>
<style>
.box{
width: 1000px;
margin: 0 auto;
display: -moz-box;
display: -webkit-box;
}
.left{
/*float: left;*/
width: 300px;
padding: 10px;
background-color: green;
}
.right{
/*float: right;*/
width: 300px;
padding: 10px;
background-color: #ff39ca;
}
.cont{
/*float: left;*/
width: 400px;
background-color: #0064ff;
}
.left,.cont,.right{
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
}
</style>
</head>
<body>
<div class="box">
<div class="left">
<h3>栏目列表</h3>
<ul>
<li><a href="###">栏目名称</a></li>
<li><a href="###">栏目名称</a></li>
<li><a href="###">栏目名称</a></li>
<li><a href="###">栏目名称</a></li>
</ul>
</div>
<div class="cont">
<p>阅谁问君诵，水落清香浮。</p>
<p>阅谁问君诵，水落清香浮。</p>
<p>阅谁问君诵，水落清香浮。</p>
<p>阅谁问君诵，水落清香浮。</p>
<p>阅谁问君诵，水落清香浮。</p>
</div>
<div class="right">
<h3>推荐文章</h3>
<ul>
<li><a href="###">推荐文章</a></li>
<li><a href="###">推荐文章</a></li>
<li><a href="###">推荐文章</a></li>
</ul>
</div>
</div>
</body>
</html>
效果图：