<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container-fluid">
<div class="row">
<div class="col-xs-3">
<button type="button" class="btn btn-arrow btn-arrow-up btn-primary">Up Button</button>
</div>
<div class="col-xs-3">
<button type="button" class="btn btn-arrow btn-arrow-bottom btn-success btn-outline">Down Button</button>
</div>
<div class="col-xs-3">
<button type="button" class="btn btn-arrow btn-arrow-left btn-danger btn-outline">Left Button</button>
</div>
<div class="col-xs-3">
<button type="button" class="btn btn-arrow btn-arrow-right btn-warning">Right Button</button>
</div>
</div>
</div>
