index.html

<!DOCTYPE html>

<html>
	<head>
		<title>Balls.js</title>
		<meta name="twitter:card" content="summary"/>
		<meta property="og:type" content="website"/>
		<meta property="og:url" content="https://www.markh.me/balls-js/"/>
		<meta property="og:title" content="Balls.js"/>
		<meta property="og:description" content="Balls with elastic collisions straight in your browser."/>
		<meta property="og:image" content="https://www.markh.me/balls-js/app.png"/>
		<meta property="og:image:width" content="360"/>
		<meta property="og:image:height" content="360"/>
		<meta charset="utf-8"/>
		<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"/>
		<link rel="manifest" href="app.webmanifest"/>
		<link rel="stylesheet" href="app.css"/>
		<script type="module" src="app.js"></script>
	</head>
	<body>
		<canvas id="app"></canvas>
	</body>
</html>