zola-theme-terminimal/templates/macros/language_menu.html

{% macro menu(page) %}
<ul class="menu menu--desktop menu--language-selector">
  <li class="menu__trigger">{{ trans(key="Language", lang=page.lang) }}&nbsp;▾</li>
  <li>
    <ul class="menu__dropdown">
      {%- for item in page.translations %}
        <li><a href="{{ item.permalink }}">{{ trans(key=item.lang, lang=page.lang) }}</a></li>
      {% endfor -%}
    </ul>
  </li>
</ul>
{% endmacro menu %}