n>
          </form>
        </div>
      </div>

      <!-- Container for the last Guestbook's Messages -->
      <div id="message-title" class="mdl-card mdl-shadow--2dp mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--12-col-desktop">
        <div class="mdl-card__title mdl-color--orange-200">
          <h2 class="mdl-card__title-text">Last Guestbook's messages</h2>
        </div>
      </div>
    </div>
  </main>
</div>


<!-- Import and configure the Firebase SDK -->
<!-- These scripts are ma