JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
        <link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css" />
        <link href="assets/css/bootstrap-responsive.css" rel="stylesheet">
  <script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/jquery.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/google-code-prettify/prettify.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-transition.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-alert.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-modal.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-dropdown.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-scrollspy.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-tab.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-tooltip.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-popover.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-button.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-collapse.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-carousel.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-typeahead.js"></script>
    <script src="http://twitter.github.com/bootstrap/assets/js/application.js"></script>    </head>
    <body>
        
        <a class="btn" data-toggle="collapse" data-target="#stuff">
            Click!
        </a>
        <div id="stuff" class="collapse">
<div class="btn-toolbar">
    <div class="btn-group">

        <div class="btn dropdown-toggle" data-toggle="dropdown"...

CSS

.in {
    overflow: visible !important;
}