cupper-hugo-theme/layouts/post/li.html

<li>
  <h2>
    <a href="{{ .Permalink }}">
      <svg class="bookmark" aria-hidden="true" viewBox="0 0 40 50" focusable="false">
        <use xlink:href="#bookmark"></use>
      </svg>
      {{ .Title }}
    </a>
  </h2>
</li>