bootstrap_italia-8.x-0.x-dev/templates/layout/header/_partial.header-navbar.html.twig

{% apply spaceless %}
  {% set it_header_navbar_classes = [
    'it-header-navbar-wrapper',
    navigation_header_light_desktop ? ' theme-light-desk',
    navigation_header_dark_mobile ? ' theme-dark-mobile'
  ] %}
  <div id="header-nav-wrapper" class="{{ it_header_navbar_classes|join }}">
    <div class="{{ navigation_header_container_type ?: 'container' }}">
      <div class="row">
        <div class="col-12">
          {% if page.header_nav %}
            {{ page.header_nav }}
          {% endif %}
        </div>
      </div>
    </div>
  </div>
{% endapply %}