JSFiddle - React, Tailwind, and code Playground
by SchmalzyB
HTML
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css">
<div class="container">
<div class="row">
<div class="col-xs-6 col-xs-push-6 col-sm-push-0">
<div class="ex">
<h1>Column A</h1>
</div>
</div>
<div class="col-xs-6 col-xs-pull-6 col-sm-pull-0">
<div class="ex">
<h1>Column B</h1>
</div>
</div>
</div>
</div>
CSS
body{ padding-top: 50px; }
.ex {
background-color: #eee;
border: 1px dashed #ccc;
padding: 50px;
text-align: center;
}