<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>
<div class="container">
<div class="row">
<h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2>
</div>
</div>
<div class="container">
<h1>Two Unequal Responsive Columns</h1>
<p>Resize the browser window to see the effect.</p>
<p>The columns will automatically stack on top of each other when the screen is less than 576px wide.</p>
<div class="row">
<div class="col-sm-4" style="background-color:lavender;">.col-sm-4</div>
<div class="col-sm-8" style="background-color:lavenderblush;">.col-sm-8</div>
</div>
</div>
