<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>tittydicks.com</title>
<style>
html, body { height: 100%; margin: 0; }
body { display: grid; place-items: center; background: #000; }
img { max-width: 100vw; max-height: 100vh; }
</style>
</head>
<body>
<img src="yourphoto.jpg" alt="Main photo" />
</body>
</html>