<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\0002B";
}
</style>
</head>
<body>
<p>Plus using Hexa Decimal: +</p>
<p>Plus using HTML Code: +</p>
<p>Plus using HTML Entity: +</p>
<p id="point">Plus using CSS Entity: </p>
</body>
</html>