块元素居中方式
程序员文章站
2022-04-25 14:42:26
...
<!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>Document</title>
<style>
.wrap {
position: relative;
width: 300px;
height: 300px;
background-color: pink;
}
.box1 {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
width: 100px;
height: 100px;
background-color: yellow;
}
</style>
</head>
<body>
<div class='wrap'>
<div class="box1"></div>
</div>
</body>
</html>