<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02088";
}
</style>
</head>
<body>
<p>8 subscript using Hexa Decimal: ₈</p>
<p>8 subscript using HTML Code: ₈</p>
<p id="point">8 subscript using CSS Entity: </p>
</body>
</html>