<!DOCTYPE html>
<html lang="en">
<head>
<?php
header("HTTP/1.0 404 Not Found");
?>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<div>
<div>
<div">
<h3>Oops! Page not found</h3>
<h1><span>4</span><span>0</span><span>4</span></h1>
</div>
<h2>we are sorry, but the page you requested was not found</h2>
</div>
</div>
</body>
</html>