JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div class="buttons">
    <button class="btn">button</button>
    <br />
    <button class="btn">another button</button>
    <br />
    <a class="btn">link</a>
</div>

CSS

.buttons .btn {
    width: 100px;
}