{% set base_class = navigation_desktop_base_class|default('navigation-desktop') %}

<div {{ bem(base_class) }}>
  <div {{ bem('top-content', [], base_class) }}>
    {% block top_content %}
    {% endblock %}
  </div>

  <div {{ bem('bottom-content', [], base_class) }}>
    {% block bottom_content %}
    {% endblock %}
  </div>
</div>
