<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">
<div class="row">
<h3>Default example</h3>
<div class="col-sm-12">
<div class="checkbox">
<label>
<input type="checkbox" value="">
<span class="cr"><i class="cr-icon glyphicon glyphicon-ok"></i></span>
Option one is this and that
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" value="" checked>
<span class="cr"><i class="cr-icon glyphicon glyphicon-ok"></i></span>
Option two is checked by default
</label>
</div>
<div class="checkbox disabled">
<label>
<input type="checkbox" value="" disabled>
<span class="cr"><i class="cr-icon glyphicon glyphicon-ok"></i></span>
Option three is disabled
</label>
</div>
</div>
</div>
</div>