<html>
<head>
<title>Manifest test app with background color</title>
<link rel="manifest" href="background-color.json">
<meta id="background-color" name="background-color" content="blue">
<script>
window.onload = () => {
navigator.serviceWorker.register('service_worker_empty_fetch_handler.js');
};
</script>
</head>
<body>
Manifest test app with a background color.
</body>
</html>