<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\027F7";
}
</style>
</head>
<body>
<p>Long Left Right Arrow using Hexa Decimal: ⟷</p>
<p>Long Left Right Arrow using HTML Code: ⟷</p>
<p>Long Left Right Arrow using HTML Entity: ⟷</p>
<p id="point">Long Left Right Arrow using CSS Entity: </p> </body>
</html>