JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div class="pull-right">
        <button type="button" class="btn btn-default">Add</button>
    </div>
    <ul class="list-group">
        <li class="list-group-item">Something something 1</li>
        <li class="list-group-item">Something something 2</li>
        <li class="list-group-item">Something something 2</li>
    </ul>
</div>

CSS

@import url('http://getbootstrap.com/dist/css/bootstrap.css');
.pull-right {
  float: right;
}