<!DOCTYPE html>
<html>
<head>
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style type="text/css">
*{padding: 0px
;margin: 0px
;}
.big
{
width: 500px
;
height: 500px
;
background-color: blue
;
border: 5px solid red
;
padding-top: 150px
;
padding-left: 150px
;
box-sizing: border-box
;
}
.small
{
width: 200px
;
height: 200px
;
background-color: yellow
;
}
</style>
</head>
<body>
<div class=
"big">
<div class=
"small"></div>
</div>
</body>
</html>
