<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\0263A";
}
</style>
</head>
<body>
<p>White Smiling Face using Hexa Decimal: ☺</p>
<p>White Smiling Face using HTML Code: ☺</p>
<p id="point">White Smiling Face using CSS Entity: </p>
</body>
</html>