<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\000A8";
}
</style>
</head>
<body>
<p>Umlaut using Hexa Decimal: ¨</p>
<p>Umlaut using HTML Code: ¨</p>
<p>Umlaut using HTML Entity: ¨</p>
<p id="point">Umlaut using CSS Entity: </p>
</body>
</html>