<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\000D3";
}
</style>
</head>
<body>
<p>Uppercase O Acute using Hexa Decimal: Ó</p>
<p>Uppercase O Acute using HTML Code: Ó</p>
<p>Uppercase O Acute using HTML Entity: Ó</p>
<p id="point">Uppercase O Acute using CSS Entity: </p>
</body>
</html>