image.png
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
body,html{
width: 100%;
height: 100%;
margin: 0;
padding:0;
}
.contain{
width: 80%;
height: 80%;
margin: 0 auto;
border: 2px solid red;
overflow: auto;
}
.box{
width: 19220px;
height: 10880px;
border: 2px solid blue;
}
</style>
</head>
<body>
<div class="contain">
<div class="box"></div>
</div>
</body>
</html>
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