<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<h4>CSS3 Squared Checkbox</h4>
<div class="squaredChk">
<input type="checkbox" value="None" id="squaredChk" name="DonationNumber" />
<label for="squaredChk"></label>
</div>
</div>
</div>