<!DOCTYPE html>
<html>
<head>
<title>Shadow Example-aimtocode</title>
<style type="text/css">
.shadow {
width: 200px;
height: 200px;
border: 1px solid green;
background: red;
-webkit-box-shadow: inset 0 0 10px #000000;
box-shadow: inset 0 0 10px #000000;
}
</style>
</head>
<body>
<div class="shadow"></div>
</body>
</html>