index.html

<!DOCTYPE html>
<html>
<head>
        <!-- Google tag (gtag.js) -->
    <script async src="https://www.googletagmanager.com/gtag/js?id=G-4N4P1BWKNG"></script>
    <script>
    window.dataLayer = window.dataLayer || [];
    function gtag(){dataLayer.push(arguments);}
    gtag('js', new Date());

    gtag('config', 'G-4N4P1BWKNG');
    </script>
    <link rel="stylesheet" type="text/css" href="style.css">
    <link href="https://unpkg.com/tailwindcss@^2/dist/tailwind.min.css" rel="stylesheet">
    <script src="app.js"></script>
</head>
<body class="flex justify-center items-center h-screen">
    <div class="flex justify-center items-center h-screen">
        <button id="workout-button" class="bg-blue-600 text-black p-4 rounded-full mx-auto border-8 border-black">
            Should I work out today?
        </button>
    </div>
</body>
</html>