fedi-classifieds/_includes/header.njk

<header>
    <nav>
      <ul>
        <li><a id="skip" href="#main">skip to content</a></li>
        <li><a href="/" {% if page.url === "/" %}aria-current="page"{% endif %}>home page</a></li>
        <li><a href="/about/" {% if page.url === "/about/" %}aria-current="page"{% endif %}>about this site</a></li>
        <li><a href="/submit/" {% if page.url === "/submit/" %}aria-current="page"{% endif %}>submit a listing</a></li>
      </ul>
    </nav>
</header>