bulma/docs/_includes/book/book-banner.html

<section id="bulma-book" class="bd-book-banner hero is-medium">
  <!-- <div class="bd-book-pattern"></div> -->
  <div class="hero-body">
    <div class="container">
      <div class="bd-book-columns">
        <div class="bd-book-column bd-is-cover">
          {% include book/book-cover.html %}
        </div>
        <div class="bd-book-column bd-is-content">
          {% include book/book-content.html show_cover=false %}
        </div>
      </div>
    </div>
  </div>
</section>