<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\000CE";
}
</style>
</head>
<body>
<p>Uppercase I Circumflex using Hexa Decimal: Î</p>
<p>Uppercase I Circumflex using HTML Code: Î</p>
<p>Uppercase I Circumflex using HTML Entity: Î</p>
<p id="point">Uppercase I Circumflex using CSS Entity: </p>
</body>
</html>