JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap-responsive.css">
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-dropdown.js"></script>
<div class="fixed">
    <div class="btn-group">
        <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
            Action
            <span class="caret"></span>
        </a>
        <ul class="dropdown-menu">
            <li><a href="#">Foo</a></li>
            <li><a href="#">Bar</a></li>
        </ul>
    </div>
    
    <div class="btn-group">
        <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
            Action 2
            <span class="caret"></span>
        </a>
        <ul class="dropdown-menu">
            <li><a href="#">Foo</a></li>
            <li><a href="#">Bar</a></li>
        </ul>
    </div>
</div>

CSS

.fixed {
    background: #eee;
    width: 100%;
    height: 30px;
    padding: 4px;
    position: fixed;
}

.fixed .btn-group {
    float: left;
}