dropdown-vignettes" data-bs-toggle="dropdown" aria-expanded="false" aria-haspopup="true">Vignettes</button>
  <ul class="dropdown-menu" aria-labelledby="dropdown-vignettes"><li><a class="dropdown-item" href="../articles/mgdrive_examples.html">Example Simulations</a></li>
    <li><a class="dropdown-item" href="../articles/mgdrive_math.html">Mathematical Description</a></li>
    <li><a class="dropdown-item" href="../articles/mgdrive_run.html">Detailed Run Example</a></li>
  </ul></li>
<li class="nav-item"><a 