       <ul class="nav-list nav-category-list">
                  <li class="nav-list-item{% if page.collection == collection_key %} active{% endif %}">
                    {%- if collection.size > 0 -%}
                    <a href="#" class="nav-list-expander"><svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg></a>
                    {%- endif -%}
                    <div class="nav-category">{{ collection_value.name }}</div>
                    {% include nav.html pages=collection key