标签:top body har abs lang ack type style content
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>垂直居中</title>
<style>
.boxBig {
/* 子绝父相 */
position: relative;
width: 600px;
height: 700px;
background-color: gray;
}
.box {
position: absolute;
/* 水平居中 2行——自己width的一半*/
left: 50%;
margin-left: -150px;
/* 垂直居中 2行——自己height的一半*/
top: 50%;
margin-top: -150px;
width: 300px;
height: 300px;
background-color: pink;
}
</style>
</head>
<body>
<div class="boxBig">大盒子
<div class="box">盒子</div>
</div>
</body>
</html>
标签:top body har abs lang ack type style content
原文地址:https://www.cnblogs.com/icemiaomiao3/p/14128110.html