<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
<div class="container">
<div class="row">
<div class="col-xs-4">
<button type="button" class="btn btn-primary btn-lg btn-block withImageAndIcon">
<div class="fa-lg withFolder48">
<i class="fa fa-plus"></i>
</div>
Add folder
</button>
</div>
<div class="col-xs-4">
<button type="button" class="btn btn-warning btn-lg btn-block withImageAndIcon">
<div class="fa-lg withSet48">
<i class="fa fa-plus"></i>
</div>
Add Mnemoset
</button>
</div>
</div>
<br/>
<div class="row">
<div class="col-xs-3">
<button type="button" class="btn btn-primary btn-block withImageAndIcon">
<div class="fa-lg withFolder32">
<i class="fa fa-plus"></i>
</div>
Add folder
</button>
</div>