<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="https://use.fontawesome.com/releases/v5.0.7/css/all.css" rel="stylesheet">
<div class="container">
<div class="row">
<h2>CheckBox with Check and Times</h2>
</div>
<div class="row">
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-success active" style="width: 56px">
<span class="checkBoxAllow fas fa-check"></span>
<span class="nonCheckBoxAllow fas fa-times"></span>
</label>
</div>
</div>
</div>