用calc 实现水平垂直居中
2020-09-30 本文已影响0人
宏_4491
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
.box{
position: relative;
height: 400px;
width: 400px;
background-color: pink;
}
.box2{
height: 100px;
width: 100px;
background-color: skyblue;
position: absolute;
left: calc(50% - 50px);
top: calc(50% - 50px);
}
</style>
<body>
<div class="box">
<div class="box2"></div>
</div>
</body>
</html>
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