index.html

<!DOCTYPE html>
<html lang="ru">
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width,initial-scale=1">
		<title>SANY</title>
		<link rel="stylesheet" href="style.css">
		<script src="script.js"></script>
	</head>
	<body>
		<!-- page content -->
		<style>
			#i1{
				height:80vh;
				margin-left:auto;
				margin-right:auto;
				display:block;
			}
		</style>
		<img id="i1" src="/img/sample1.jpg">
	</body>

</html>