For detailed instruction's, view Solodev's RCA_POST_TITLE article.
Try out a working example on JSFiddle.
The tutorial contains the following basic HTML markup.
<section class="bubbles sectional text-left text-white orange-yellow">
<div class="container">
<div class="bubble-wrap">
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
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<div class="bubble"></div>
<div class="bubble"></div>
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<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
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<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
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<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
<div class="bubble"></div>
</div>
<div class="hgroup-400 row">
<div class="col-md-6 col-lg-5 col-xl-4 d-flex align-items-center">
<div>
<h1 class="h2">Enterprise Hosting that's out of this world</h1>
<p class="h-subhead">Pilot your website on the only platform built for the AWS Cloud</p>
<a class="btn btn-lg orange" href="https://www.solodev.com/free-trial/" target="_blank">Start for Free</a>
</div>
</div>
<div class="col-lg-7 col-md-6">
<img alt="Captain Piloting" class="text-right dan-in-space-ship" src="https://www.solodev.com/core/fileparse.php/8/urlt/_/images/dan-in-space-ship.png">
</div>
</div>
</div>
</section>
All required SCSS is contained with repeat-css-animation.scss
This tutorial includes the following third party resources.
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet">
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>