content/theme/templates/breadcrumbs.html

<!-- breadcrumbs -->
<div class="card" style="height: 34px;">
  <nav aria-label="breadcrumb"  style="padding-left: 12px; padding-top: 4px;">
    <ol class="breadcrumb">
      <li class="breadcrumb-item"><a href="/">Home</a></li>
      <li class="breadcrumb-item active"><a href="/{%if article%}blog/{{article.slug}}.html{%else%}{{page.slug}}.html{%endif%}">
          {%if article%}{{article.title}}{%else%}{{page.title}}{%endif%}
      </a></li>
      <li class="breadcrumb-item active">(<a href="https://github.com/apache/tooling-docs/tree/main/content/{%if article%}blog/{{article.slug}}.md{%else%}pages/{{page.slug}}.md{%endif%}">edit</a>)</li>
    </ol>
  </nav>
</div>