<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="section">
<div class="container-fluid container-outer">
<div class="row">
<div class="col-md-8 left-outer">
</div>
<div class="col-md-4 right-outer">
</div>
</div>
<div class="container-fluid container-inner">
<div class="container">
<div class="row">
Hello
</div>
</div>
</div>
</div>
</div>