<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02017";
}
</style>
</head>
<body>
<p>Double Low Line Math using Hexa Decimal: ‗</p>
<p>Double Low Line Math using HTML Code: ‗</p>
<p id="point">Double Low Line Math using CSS Entity: </p>
</body>
</html>