"list-group-item">Subitem 4 d</a>
                    </div>
                    <a href="javascript:;" class="list-group-item">Subitem 2</a>
                    <a href="javascript:;" class="list-group-item">Subitem 3</a>
                  </div>
                </li>
                <li>
                  <a href="#demo4" class="list-group-item " data-toggle="collapse">Item 4  <span class="glyphicon glyphicon-chevron-right"></span></a>
                    <li class="collapse" id="demo4">
                 