Untitled

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Space Invaders</title>
</head>

<style>
	body{
		background-color: black;
	}

	canvas{
		height: 60%;
		width: 60%;
		display: block;
		margin: 5px auto;
		border: grey solid 2px;
	}

</style>

<body>
	<canvas></canvas>
</body>

<script src="script.js"></script>

</html>