<!DOCTYPE html>
<html lang="en">
<head>
<style>
div {
width: 200px;
height: 200px;
background-color: green;
-webkit-clip-path: polygon(evenodd, 10px 75px, 180px 180px, 100px 10px, 10px 180px, 180px 75px, 10px 75px);
}
</style>
</head>
<body>
<div>
</body>
</html>