 <div class="container">
    <div class="container-fluid">
      <div class="row">
        <!-- toolbar -->
        <div class="col-sm-3 col-md-2 sidebar">
          <!-- toolbar items -->
          <ul id="designer-toolbar-items" class="nav nav-sidebar"></ul>
        </div>
      </div>
    </div>
    <!-- dialog -->
    <div id="designer-dialog"></div>
    <!-- message -->
    <div id="designer-message"></div>
    <!-- editor -->
    <div id="designer-editor"></div>
  </div>
  <!-- ace -->
  <script type=