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css水平居中，竖直居中技巧（二）
===
### 1.效果
### 2.代码
#### 2.1.index.html
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
<meta name="renderer" content="webkit">
<title></title>
<link rel="stylesheet/less" type="text/css" href="test.less"/>
<script type="text/javascript" charset="utf-8"
src="less/2.6.1/dist/less.min.js"></script>
</head>
<body>
<h2>原始的效果</h2>
<div class="container">
<div>aaa</div>
<div>bbbbbb</div>
<div>ccccccccc</div>
</div>
<hr>
<h2>居中后的效果</h2>
<div class="container container-01">
<div class="container-02">
<div>aaa</div>
<div>bbbbbb</div>
<div>ccccccccc</div>
</div>
</div>
</body>
</html>
#### 2.2.test.less
.container {
width: 500px;
height: 300px;
background: red;
}
//核心代码
.container-01 {
display: table;
.container-02 {
display: table-cell;
vertical-align: middle;
text-align: center;
}
}
###3.说明
a.使用这种方式实现水平居中和垂直居中，对`.container-02`的容器没有宽度和高度的要求
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原文地址：http://www.cnblogs.com/ningkyolei/p/5622550.html
