JSFiddle - React, Tailwind, and code Playground

HTML

<div class="navbar navbar-preheader navbar-default" role="navigation">
        <div class="container-fluid">
          <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
              <span class="sr-only">Toggle navigation</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Project name</a>
          </div>
          <div class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
              <li class="active"><a href="#">Link</a></li>
              <li><a href="#">Link</a></li>
              <li><a href="#">Link</a></li>
              <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <span class="caret"></span></a>
                <ul class="dropdown-menu" role="menu">
                  <li><a href="#">Action</a></li>
                  <li><a href="#">Another action</a></li>
                  <li><a href="#">Something else here</a></li>
                  <li class="divider"></li>
                  <li class="dropdown-header">Nav header</li>
                  <li><a href="#">Separated link</a></li>
                  <li><a href="#">One more separated link</a></li>
                </ul>
              </li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
              <li class="active"><a href="./">Default</a></li>
              <li><a href="../navbar-static-top/">Static top</a></li>
              <li><a href="../navbar-fixed-top/">Fixed top</a></li>
            </ul>
          </div><!--/.nav-collapse -->
        </div><!--/.container-fluid -->
      </div>

CSS

.navbar-preheader .navbar-toggle:hover {
    background-color: blue;
}
.navbar-preheader .navbar-toggle:hover .icon-bar {
    background-color: red;
}



















.navbar-preheader .navbar-toggle {
    border: 1px solid white;
    background-color: transparent;
    margin-right: 0;
}
.navbar-preheader .navbar-toggle .icon-bar {
    background-color: white;
}
.navbar-default {
    background-color: #4d4d4d;
}