版权声明：转载请标明出处 https://blog.csdn.net/qq_41155191/article/details/83040347
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
div{
width: 400px;
height: 600px;
background: #e86656;
margin: auto;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom:0;
}
</style>
</head>
<body>
<div></div>
</body>
</html>