<header>
  {%- include "language_switcher.html" %}
  <a href="{{ get_url(path="@/_index.md", lang=lang) }}" class="title">
    <h1>{{ config.title }}</h1>
  </a>
  <nav aria-label="{{ trans(key="site", lang=lang)}}">
    {%- include "nav.html" %}
  </nav>
</header>