<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02764";
}
</style>
</head>
<body>
<p>Heavy Black Heart using Hexa Decimal: ❤</p>
<p>Heavy Black Heart using HTML Code: ❤</p>
<p id="point">Heavy Black Heart using CSS Entity: </p>
</body>
</html>