<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02190";
}
</style>
</head>
<body>
<p>Left Arrow using Hexa Decimal: ←</p>
<p>Left Arrow using HTML Code: ←</p>
<p>Left Arrow using HTML Entity: ←</p>
<p id="point">Left Arrow using CSS Entity: </p>
</body>
</html>