JSFiddle - React, Tailwind, and code Playground

by David Simpson

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<?xml version="1.0"?>
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->

<div class="container">
  <nav class="navbar navbar-expand-sm">
    <div class="collapse navbar-collapse" id="navbarZoneNavigation">
      <div class="navbar-nav mr-auto">
        <a class="nav-item nav-link" aria-current="false" href="#/spaces/view/5af193423a69c852bfc4c759/zones/5af193423a69c852bfc4c73f">Home</a>
        <a class="nav-item nav-link active" aria-current="true" href="#/spaces/view/5af193423a69c852bfc4c759/zones/5af193423a69c852bfc4c74f">Content</a>
        <a class="nav-item nav-link" aria-current="false" href="#/spaces/view/5af193423a69c852bfc4c759/zones/5af193423a69c852bfc4c749">Contacts</a>
        <div class="nav-item dropdown">
          <a class="nav-link dropdown-toggle" href="##navSettings" id="dropdown_5af193423a69c852bfc4c74f" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dashboard</a>
          <div class="dropdown-menu dropdown-menu-right" aria-labelledby="dropdown_5af193423a69c852bfc4c74f" style="right: 0px; left: unset;">
            <h6 class="dropdown-header">Sub Zone Items</h6>
            <a class="dropdown-item" href="##edit_5af193423a69c852bfc4c74f">Grid</a>
            <a class="dropdown-item" href="##rename_5af193423a69c852bfc4c74f">Visual</a>
            <a class="dropdown-item" href="##delete_5af193423a69c852bfc4c74f">Combined</a>
          </div>
        </div>
      </div>
      <div class="pull-right">
        <div class="nav-item dropdown">
          <a...

CSS

.navbar {
  background: rgba(0, 0, 0, 0.2);
  padding-bottom: 0;
}

.nav-item.nav-link.active {
  border-bottom: 4px solid #000;
}