<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00022";
}
</style>
</head>
<body>
<p>Quotation Mark using Hexa Decimal: "</p>
<p>Quotation Mark using HTML Code: "</p>
<p>Quotation Mark using HTML Entity: "</p>
<p id="point">Quotation Mark using CSS Entity: </p>
</body>
</html>