<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00064";
}
</style>
</head>
<body>
<p>lowercase d using Hexa Decimal: d</p>
<p>lowercase d using HTML Code: d</p>
<p>lowercase d using HTML Entity: d</p>
<p id="point">lowercase d using CSS Entity: </p>
</body>
</html>