JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
<ul class="nav nav-tabs mainNav">
  <li class="dropdown">
    <a class="dropdown-toggle"
       data-toggle="dropdown"
       href="#">
        Dropdown
        <b class="caret"></b>
      </a>
    <ul class="dropdown-menu">
      <li><a href="#">Link 01</a></li>
      <li><a href="#">Link 02</a></li>
      <li><a href="#">Link 03</a></li>
      <li><a href="#">Link 04</a></li>
    </ul>
  </li>
</ul>

CSS

/* No Need to freakout with all the CSS here, this is just to make sure the gradient works as best as it can in all browsers. */
.nav.mainNav .dropdown-menu {
    background: rgb(0,0,0);
    background: url(data:image/svg+xml;base64,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);
    background: -moz-linear-gradient(top,  rgba(0,0,0,1) 1%, rgba(51,51,51,1) 62%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(1%,rgba(0,0,0,1)), color-stop(62%,rgba(51,51,51,1)));
    background: -webkit-linear-gradient(top,  rgba(0,0,0,1) 1%,rgba(51,51,51,1) 62%);
    background: -o-linear-gradient(top,  rgba(0,0,0,1) 1%,rgba(51,51,51,1) 62%);
    background: -ms-linear-gradient(top,  rgba(0,0,0,1) 1%,rgba(51,51,51,1) 62%);
    background: linear-gradient(to bottom,  rgba(0,0,0,1) 1%,rgba(51,51,51,1) 62%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#333333',GradientType=0 );
}

.nav.mainNav .dropdown-menu a {
    color: red;
}