<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00058";
}
</style>
</head>
<body>
<p>Uppercase X using Hexa Decimal: X</p>
<p>Uppercase X using HTML Code: X</p>
<p>Uppercase X using HTML Entity: X</p>
<p id="point">Uppercase X using CSS Entity: </p>
</body>
</html>