JSFiddle - React, Tailwind, and code Playground

HTML

<li class="dropdown mega-dropdown">
   <a href="#">Menu Button</a>
   <ul tabindex="-1">
      <li><a href="#">1st Link</a></li>
      <li><a href="#">2nd Link</a></li>
      <!-- many other links -->
   </ul>
   <!-- many other menu buttons -->
</li>