ml">Actions &amp; Buttons</a>
    <a class="dropdown-item" href="../articles/graphics.html">Graphics</a>
    <a class="dropdown-item" href="../articles/mark.html">Mark</a>
    <a class="dropdown-item" href="../articles/themes.html">Themes</a>
  </div>
</li>
<li class="nav-item dropdown">
  <a href="#" class="nav-link dropdown-toggle" data-bs-toggle="dropdown" role="button" aria-expanded="false" aria-haspopup="true" id="dropdown-shiny">Shiny</a>
  <div class="dropdown-menu" aria-labelledby="dropdown-shiny">
