Bootstrap Accordion Multi Level List Group Menu


	<div class="container">
      <div class="row">
        <div class="col-sm-3 col-md-3">
          <div class="panel-group" id="accordion">
            <div class="panel panel-default">
              <div class="panel-heading">
                <h4 class="panel-title">
                  <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne"><span class="glyphicon glyphicon-folder-close">
                    </span>Content</a>
                </h4>
              </div>
              <div id="collapseOne" class="panel-collapse collapse in">
                <ul class="list-group">
                  <li class="list-group-item">
                      <span class="glyphicon glyphicon-pencil text-primary"></span>
                  <a href="javascript:;">Articles</a>
                    <ul class="list-group">
                      <li class="list-group-item"><span class="glyphicon glyphicon-pencil text-primary"></span>
                      <a href="javascript:;">Articles</a></li>

                      <li class="list-group-item"><span class="glyphicon glyphicon-flash text-success"></span>
                      <a href="javascript:;">News</a></li>

                      <li class="list-group-item"><span class="glyphicon glyphicon-file text-info"></span>
                      <a href="javascript:;">Newsletters</a></li>

                      <li class="list-group-item"> <span class="glyphicon glyphicon-comment text-success"></span>
                      <a href="javascript:;">Comments</a><span class="badge">42</span></li>

                    </ul>
                  </li>

                  <li class="list-group-item"><span class="glyphicon glyphicon-flash text-success"></span>
                  <a href="javascript:;">News</a></li>

                  <li class="list-group-item"><span class="glyphicon glyphicon-file text-info"></span>
                  <a href="javascript:;">Newsletters</a></li>

                  <li class="list-group-item"> <span class="glyphicon glyphicon-comment text-success"></span>
                  <a href="javascript:;">Comments</a><span class="badge">42</span></li>

                </ul>
              </div>
            </div>
            <div class="panel panel-default">
              <div class="panel-heading">
                <h4 class="panel-title">
                  <a data-toggle="collapse" data-parent="#accordion" href="#collapseFour"><span class="glyphicon glyphicon-file">
                    </span>Reports</a>
                </h4>
              </div>
              <div id="collapseFour" class="panel-collapse collapse">
                <div class="list-group">
                  <a href="javascript:;" class="list-group-item">
                    Cras justo odio
                  </a>
                  <div class="list-group">
                    <a href="javascript:;" class="list-group-item">
                      Cras justo odio
                    </a>
                    <a href="javascript:;" class="list-group-item">Dapibus ac facilisis in</a>
                    <a href="javascript:;" class="list-group-item">Morbi leo risus</a>
                    <a href="javascript:;" class="list-group-item">Porta ac consectetur ac</a>
                    <a href="javascript:;" class="list-group-item">Vestibulum at eros</a>
                  </div>
                  <a href="javascript:;" class="list-group-item">Dapibus ac facilisis in</a>
                  <a href="javascript:;" class="list-group-item">Morbi leo risus</a>
                  <a href="javascript:;" class="list-group-item">Porta ac consectetur ac</a>
                  <a href="javascript:;" class="list-group-item">Vestibulum at eros</a>
                </div>
              </div>
            </div>
            <div class="panel panel-default">
              <div class="panel-heading">
                <h4 class="panel-title">
                  <a data-toggle="collapse" data-parent="#accordion" href="#collapseFive"><span class="glyphicon glyphicon-heart">
                    </span>Reports</a>
                </h4>
              </div>
              <div id="collapseFive" class="panel-collapse collapse">
                <div class="list-group">
                  <a href="javascript:;" class="list-group-item">
                    <h4 class="list-group-item-heading">List group item heading</h4>
                    <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
                  </a>
                </div>
                <div class="list-group">
                  <a href="javascript:;" class="list-group-item active">
                    <h4 class="list-group-item-heading">List group item heading</h4>
                    <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
                  </a>
                </div>
                <div class="list-group">
                  <a href="javascript:;" class="list-group-item">
                    <h4 class="list-group-item-heading">List group item heading</h4>
                    <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
                  </a>
                </div>
              </div>
            </div>
          </div>
        </div>
        <div class="col-sm-9 col-md-9">
          <div class="panel panel-default">
            <div class="panel-heading">
              <h3 class="panel-title">Dashboard</h3>
            </div>
            <div class="panel-body">
              <p>Admin Dashboard Accordion List Group Menu</p>
              <div class="alert alert-success"><h3>Yes! It's compatible with BS 3.0.3, 3.1 & 3.2 </h3></div>
            </div>
          </div>
        </div>
      </div>
    </div>
	<script type="text/javascript">
	
	</script>

     body{margin:50px;}
      #accordion .glyphicon { margin-right:10px; }
      .panel-collapse>.list-group .list-group-item:first-child {border-top-right-radius: 0;border-top-left-radius: 0;}
      .panel-collapse>.list-group .list-group-item {border-width: 1px 0;}
      .panel-collapse>.list-group {margin-bottom: 0;}
      .panel-collapse .list-group-item {border-radius:0;}

      .panel-collapse .list-group .list-group {margin: 0;margin-top: 10px;}
      .panel-collapse .list-group-item li.list-group-item {margin: 0 -15px;border-top: 1px solid #ddd !important;border-bottom: 0;padding-left: 30px;}
      .panel-collapse .list-group-item li.list-group-item:last-child {padding-bottom: 0;}

      .panel-collapse div.list-group div.list-group{margin: 0;}
      .panel-collapse div.list-group .list-group a.list-group-item {border-top: 1px solid #ddd !important;border-bottom: 0;padding-left: 30px;}
      .panel-collapse .list-group-item li.list-group-item {border-top: 1px solid #DDD !important;}