iv class="accordion-group"&gt;
       &lt;div class="accordion-heading"&gt;
         &lt;a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne"&gt;
           Collapsible Group Item #1
         &lt;/a&gt;
       &lt;/div&gt;
       &lt;div id="collapseOne" class="accordion-body collapse in"&gt;
         &lt;div class="accordion-inner"&gt;
           Anim pariatur cliche...
         &lt;/div&gt;
       &lt;/div&gt;
     &lt;/div&gt;
     &lt;div class="accordion-group