<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00055";
}
</style>
</head>
<body>
<p>Uppercase U using Hexa Decimal: U</p>
<p>Uppercase U using HTML Code: U</p>
<p>Uppercase U using HTML Entity: U</p>
<p id="point">Uppercase U using CSS Entity: </p>
</body>
</html>