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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS四种对齐方式</title>
<style type="text/css">
/*单行文本居中*/
.box1{
width: 200px;
height: 200px;
background-color: lightblue;/*水平居中*/
text-align: center;
}
/*多行文本居中*/
.box2{
width: 200px;
height: 200px;
background-color: #FF7300;
text-align: center;/*水平居中*/
display: table-cell;/*把盒子变成表格*/
vertical-align: middle;/*垂直居中*/
}
.box2 span{
width: 100px;
height: 100px;
line-height: 200px;/*垂直居中*/
}
/*块级元素居中*/
.box3{
width: 200px;
height: 200px;
background-color: green;
text-align: center;/*水平居中*/
display: table-cell;/*把盒子变成表格*/
vertical-align: middle;/*垂直居中*/
}
.box3 p{
width:100px;
margin: auto;
}
</style>
</head>
<body>
<div class="box1">
<a href="">PHP中文网</a>
</div>
<div class="box2">
<span>PHP世界上最好的语言</span><br>
<span>PHP-China</span>
</div>
<div class="box3">
<p>hello world</p>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
