 href="examples/countdown-timer.html" role="button">Countdown Message Demo</a>
        <hr>
        <a class="btn btn-primary" href="examples/countdown-bar.html" role="button">Countdown Bar Demo</a>
        <hr>
        <a class="btn btn-primary" href="examples/custom-callback.html" role="button">Custom Callback Demo</a>
        <hr>
    </div>
</body>

</html>
