JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
    <button type="button" class="btn"><i class="icon-align-left"></i></button>
    <button type="button" class="btn"><i class="icon-align-center"></i></button>
    <button type="button" class="btn"><i class="icon-align-right"></i></button>
<div class="btn-group dropdown">
    <button type="button" class="btn"><i class="icon-align-left"></i></button>
    <button type="button" class="btn"><i class="icon-align-center"></i></button>
    <button type="button" class="btn"><i class="icon-align-right"></i></button>
    <button type="button" class="btn dropdown-toggle" data-toggle="dropdown"><i class="icon-circle-arrow-down"></i></button>
      <ul class="dropdown-menu right-menu">
          <li><a href="#">Hello!</a></li>
          <li><a href="#">Bye</a></li>
      </ul>
</div>

CSS

.right-menu, .dropdown-menu.right-menu {left: auto; right: 0;}