<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\000E4";
}
</style>
</head>
<body>
<p>lowercase a Umlaut using Hexa Decimal: ä</p>
<p>lowercase a Umlaut using HTML Code: ä</p>
<p>lowercase a Umlaut using HTML Entity: ä</p>
<p id="point">lowercase a Umlaut using CSS Entity: </p>
</body>
</html>