!-- /.col-->
         </div>
         <!-- /.row -->
         <center>
            <p style="font-size:2em;"> <th:block th:text="${content}"> </p>
         </center>
      </div>
      <!--/.main-->
      <script src="/js/jquery-1.11.1.min.js"></script>
      <script src="/js/bootstrap.min.js"></script>
      <script>
         !function ($) {
            $(document).on("click","ul.nav li.parent > a > span.icon", function(){       
               $(this).find('em:first').toggleClass("glyphicon-m