代码部分
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>歌谣居中测试</title>
<style>
* {
margin: 0;
padding: 0;
}
.father {
position: relative;
width: 500px;
height: 600px;
background-color: pink;
}
.son {
position: absolute;
top: 50%;
left: 50%;
margin-top: -150px;
margin-left: -100px;
width: 200px;
height: 300px;
background-color: purple;
}
</style>
</head>
<body>
<div class="father">
<div class="son"></div>
</div>
</body>
</html>实现效果
