<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
body {
margin: 0;
}
img {
display: block;
width: 100vw;
height: 100vh;
object-fit: cover;
}
</style>
</head>
<body>
<img src="https://images.unsplash.com/photo-1510172951991-856a654063f9?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=500&q=60" />
</body>
</html>