We would like to know how to box-shadow: 0 0 0 5px #f00 inset;.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
div {<!-- ww w.j a v a 2s . com-->
height: 40px;
width: 60px;
border: 5px solid #00a;
box-shadow: 0 0 0 5px #f00 inset;
padding: 3px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
The code above is rendered as follows: