<!-- Trivia: 'caput', https://en.wiktionary.org/wiki/caput#Latin -->
<header class="site-header">


  <div class="container">
    {%- assign default_paths = site.pages | map: "path" -%}
    {%- assign page_paths = site.header_pages | default: default_paths -%}
    {%- assign titles_size = site.pages | map: 'title' | join: '' | size -%}
    <!-- <a class="site-title" rel="author" href="{{ "/" | relative_url }}">{{ site.title | escape }}</a> -->

    <nav id="navbar" class="collapse navbar-collapse">
      <u