an class="fa fa-search" aria-hidden="true"></span>
            <span>Find owners</span>
          </li>

          <li th:replace="::menuItem ('/vets.html','vets','veterinarians','th-list','Veterinarians')">
            <span class="fa fa-th-list" aria-hidden="true"></span>
            <span>Veterinarians</span>
          </li>

          <li
            th:replace="::menuItem ('/oups','error','trigger a RuntimeException to see how it is handled','exclamation-triangle','Error')">
            <span class="fa