<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00360";
}
</style>
</head>
<body>
<p>Double Tilde using Hexa Decimal: ͠</p>
<p>Double Tilde using HTML Code: ͠</p>
<p id="point">Double Tilde using CSS Entity: </p>
</body>
</html>