        </button>
      </div>
      <div class="modal-body">
        ...
      </div>
    </div>
  </div>
</div>

<div class="modal fade bd-example-modal-sm" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true">
  <div class="modal-dialog modal-sm">
    <div class="modal-content">
      <div class="modal-header">
        <h4 class="modal-title" id="mySmallModalLabel">Small modal</h4>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
         