iu-8.x-1.x-dev/templates/blocks/block--section-nav--menu-block.html.twig

{#
/**
 * @file
 * Override the system menu block to match IU Framework expectations.
 */
 #}
{% set hasContent = content['#items'] %}
{% if hasContent %}
<nav{{ attributes }} role="navigation" aria-label=" {{ 'Section navigation'|t }}" itemscope="itemscope" itemtype="http://schema.org/SiteNavigationElement">
  {{ title_prefix }}{{ title_suffix }}
  <span class="section-nav-label">In this section</span>
  {{ content }}
</nav>
{% endif %}