<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\00183";
}
</style>
</head>
<body>
<p>Lowercase b Topbar using Hexa Decimal: ƃ</p>
<p>Lowercase b Topbar using HTML Code: ƃ</p>
<p id="point">Lowercase b Topbar using CSS Entity: </p>
</body>
</html>