<nav class="nav nav-tabs d-flex mb-4"><a class="flex-fill text-center rounded-0 border-0 bg-grey-10 nav-link frivol-xhr {{ 'app_content_categoryvideo' in app.request.attributes.get('_route') ? 'active' : '' }}" href="{{ path('app_content_categoryvideo_index') }}">Videos</a> <a class="flex-fill text-center rounded-0 border-0 bg-grey-10 nav-link frivol-xhr {{ 'app_content_categoryimageset' in app.request.attributes.get('_route') ? 'active' : '' }}" href="{{ path('app_content_categoryimageset_index') }}">Bilder</a></nav>