fediversity.eu/themes/hugoplate/layouts/404.html

{{ define "main" }}
<section class="section-sm text-center">
  <div class="container">
    <div class="row justify-center">
      <div class="sm:col-10 md:col-8 lg:col-6">
        <span
          class="text-[8rem] block font-bold text-dark dark:text-darkmode-dark"
        >
          404
        </span>
        <h1 class="h2 mb-4">Page not found</h1>
        <div class="content">
          <p>
            The page you are looking for might have been removed, had its name
            changed, or is temporarily unavailable.
          </p>
        </div>
        <a href="{{ site.BaseURL | relLangURL }}" class="btn btn-primary mt-8">
          Back to home
        </a>
      </div>
    </div>
  </div>
</section>
{{ end }}