<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02103";
}
</style>
</head>
<body>
<p>Degree Celsius using Hexa Decimal: ℃</p>
<p>Degree Celsius using HTML Code: ℃</p>
<p id="point">Degree Celsius using CSS Entity: </p> </body>
</html>