<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02282";
}
</style>
</head>
<body>
<p>Subset Of using Hexa Decimal: ⊂</p>
<p>Subset Of using HTML Code: ⊂</p>
<p>Subset Of using HTML Entity: ⊂</p>
<p id="point">Subset Of using CSS Entity: </p>
</body>
</html>