<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Mon site</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
background: #000;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
}
img {
max-width: 100%;
max-height: 100vh;
object-fit: contain;
}
</style>
</head>
<body>
<img src="photo.jpg" alt="Photo">
</body>
</html>