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