<html>
    <head>
        <title>home alarm</title>
        <link rel="stylesheet" type="text/css" href="main.css">
        <link rel="manifest" href="manifest.json">
    </head>
    <body>
        <h1>home alarm</h1>
        <article>
            <h2>registration id</h2>
            <input type="text">
        </article>
        <script src="main.js"></script>
    </body>
</html>
