<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\000CF";
}
</style>
</head>
<body>
<p>Uppercase I Umlaut using Hexa Decimal: Ï</p>
<p>Uppercase I Umlaut using HTML Code: Ï</p>
<p>Uppercase I Umlaut using HTML Entity: Ï</p>
<p id="point">Uppercase I Umlaut using CSS Entity: </p>
</body>
</html>