<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00048";
}
</style>
</head>
<body>
<p>Uppercase H using Hexa Decimal: H</p>
<p>Uppercase H using HTML Code: H</p>
<p>Uppercase H using HTML Entity: H</p>
<p id="point">Uppercase H using CSS Entity: </p>
</body>
</html>