<!DOCTYPE html>
<html>
<head>
<style type="text/css" media="screen">
.box {
position: relative;
width: 200px;
height: 160px;
margin: 10px;
display: inline-block;
border: 1px solid black;
}
.rounded {
border-radius: 20px;
border-top-left-radius: 50px;
border-bottom-right-radius: 80px;
}
</style>
</head>
<body>
<div class="box" style="box-shadow: 0 0 20px rgba(0, 0, 0, 0.6) inset"></div>
<div class="box" style="box-shadow: 0 100px 2px rgba(0, 0, 0, 0.6) inset"></div>
<div class="box" style="box-shadow: 20px 20px 20px rgba(0, 0, 0, 0.6) inset"></div>
<br>
<div class="box" style="box-shadow: 0 0 2px 10px rgba(0, 0, 0, 0.6) inset"></div>
<div class="box" style="box-shadow: 0 20px 20px 40px rgba(0, 0, 0, 0.6) inset"></div>
<div class="box" style="box-shadow: 100px 100px 2px -50px rgba(0, 0, 0, 0.6) inset"></div>
<br>
<div class="box" style="box-shadow: 100px 100px 20px 10px rgba(0, 0, 0, 0.6) inset"></div>
<div class="rounded box" style="box-shadow: 10px 10px 3px 15px rgba(0, 0, 0, 0.6) inset"></div>
<div class="rounded box" style="box-shadow: 0 0 3px 5px rgba(0, 0, 0, 0.6) inset"></div>
</body>
</html>