{%
  set classes = [
    'block',
    'block-menu',
    'navigation',
    'menu--' ~ derivative_plugin_id|clean_class,
  ]
%}
{% set heading_id = attributes.id ~ '-menu'|clean_id %}
<nav role="navigation" aria-labelledby="{{ heading_id }}"{{ attributes.addClass(classes)|without('role', 'aria-labelledby') }}>
  <label for="show-menu" class="show-menu">Menú</label>
  <input type="checkbox" id="show-menu" role="button">

  {# Menu. #}
  {% block content %}
    {{ content }}
  {% endblock %}
</nav>