<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div>
<h3>Understanding jQuery in Bootstrap</h3>
http://fiddle.jshell.net/mrmccormack/qCq8D/
maybe just do jsfiddle...
http://fiddle.jshell.net/mrmccormack/hYAXq/
as not to confuse bootstrap
<hr>
<button>Click me to hide paragraphs</button>
</div>
<div class="row">
<div class="col-sm">
<h1>Heading A</h1>
</div>
<div class="col-sm">
<h1>Heading B</h1>
</div>
<div class="col-sm">
<h1>Heading C</h1>
</div>
</div>
</div>