方法1：兼容ie6.7.8.9.10.ff.chrome
立即学习“前端免费学习笔记（深入）”；
.wrap {
width: 500px;
margin: auto;
overflow: hidden;
}
.left, .right {
padding-bottom: 32767px;
margin-bottom: -32767px;
color: white;
}
.left {
background-color: #000;
width: 200px;
float: left;
height: 800px;
}
.right {
background-color: red;
width: 300px;
float: right;
}
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方法2：
这个方法的优点：
代码少，简单
缺点：不兼容IE7.6
立即学习“前端免费学习笔记（深入）”；
* {
margin:0;
padding:0;
border:0;
list-style:none;
}
.cell1, .cell2, .cell3 {
display:table-cell;
width:180px;
padding-left:10px;
background-color:#ff6a00;
border:1px solid #00ffff;
}
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