 out!
    </div>
    <div class="alert alert-info text-white font-weight-bold" role="alert">
      A simple info alert—check it out!
    </div>
    <div class="alert alert-light text-white font-weight-bold" role="alert">
      A simple light alert—check it out!
    </div>
    <div class="alert alert-dark text-white font-weight-bold" role="alert">
      A simple dark alert—check it out!
    </div>
  </div>
</div>

        '></iframe>
            </div>
            <div class="tab-pane" id="code-alerts"