vertical-align 实现水平垂直居中
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
html,
body {
height: 100%;
}
.parent {
height: 100%;
background-color: #ccc;
text-align: center
}
.parent::after {
content: "";
display: inline-block;
height: 100%;
vertical-align: middle;
}
.son {
width: 100px;
height: 100px;
background-color: red;
display: inline-block;
vertical-align: middle
}
</style>
</head>
<body>
<div class="parent">
<div class="son">
123
</div>
</div>
</body>
</html>
网友评论