<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02218";
}
</style>
</head>
<body>
<p>Ring using Hexa Decimal: ∘</p>
<p>Ring using HTML Code: ∘</p>
<p>Ring using HTML Entity: ∘</p>
<p id="point">Ring using CSS Entity: </p> </body>
</html>