                       <li>
                            <a class="dropdown-item" href="javascript:void(0);">Separated link</a>
                          </li>
                        </ul>
                        <input type="text" class="form-control" aria-label="Text input with dropdown button" />
                      </div>

                      <div class="input-group">
                        <input type="text" class="form-control" aria-label="Text input with dropdown button" />
                     