<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02713";
}
</style>
</head>
<body>
<p>Check Mark using Hexa Decimal: ✓</p>
<p>Check Mark using HTML Code: ✓</p>
<p id="point">Check Mark using CSS Entity: </p>
</body>
</html>