css布局--垂直水平居中
2018-03-23 本文已影响0人
怪兽别跑biubiubi
<!DOCTYPE html>
<html lang="en">
<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>垂直水平居中</title>
<style>
.box {
height: 200px;
display: flex;
/* display: grid; 网格居中 */
align-items: center;
justify-content: center;
}
</style>
</head>
<body>
<div class="box">
<div class="demo">哈哈哈哈</div>
</div>
</body>
</html>
