<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02191";
}
</style>
</head>
<body>
<p>Up Arrow using Hexa Decimal: ↑</p>
<p>Up Arrow using HTML Code: ↑</p>
<p>Up Arrow using HTML Entity: ↑</p>
<p id="point">Up Arrow using CSS Entity: </p>
</body>
</html>