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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.box1{
width: 200px;
height: 200px;
background: #09f;
text-align: center;
}
.box1 a{
line-height: 200px;
}
.box2{
width: 200px;
height: 200px;
background: #09f;
text-align: center;
display: table-cell;
vertical-align: middle;
}
</style>
</head>
<body>
<div class="box">
<header></header>
<div class="main">
<h3>1垂直居中</h3>
<div class="box1">
<a href="">垂直居中</a>
</div>
<h3>2垂直居中</h3>
<div class="box2">
<p>垂直居中</p>
<p>垂直居中</p>
</div>
</div>
<footer></footer>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
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