<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\0219F";
}
</style>
</head>
<body>
<p>Up Arrow Two Headed using Hexa Decimal: ↟</p>
<p>Up Arrow Two Headed using HTML Code: ↟</p>
<p>Up Arrow Two Headed using HTML Entity: ↟</p>
<p id="point">Up Arrow Two Headed using CSS Entity: </p>
</body>
</html>