rivet-1.0.x-dev/templates/block/block--local-tasks-block.html.twig

{#
/**
 * @file
 * Theme override for tabs.
 */
#}
{{ attach_library('rivet/rvt-c-subnav') }}
{%
  set classes = [
    'rvt-subnav',
    'rvt-c-subnav',
  ]
%}
{% if content %}
<nav{{attributes.addClass(classes)|without('id')}} aria-label="{{ 'Tabs'|t }}">
  {{ content }}
</nav>
{% endif %}