<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<h2> <div class="col-md-12">
<button type="button" class="btn btn-labeled btn-success">
<span class="btn-label"><i class="glyphicon glyphicon-ok"></i></span>Submit</button>
<br /></h2>
</div>
</div>