<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<h1>Masonry + imagesLoaded, iteratively reveal items</h1>
<div id="container"></div>
<div id="images">
<div class="item">
<img src="https://picsum.photos/100/200?random=1">
</div>
<div class="item">
<img src="https://picsum.photos/200/300?random=2">
</div>
<div class="item">
<img src="https://picsum.photos/300/400?random=3">
</div>
<div class="item">
<img src="https://picsum.photos/200/100?random=4">
</div>
<div class="item">
<img src="https://picsum.photos/300/200?random=5">
</div>
<div class="item">
<img src="https://picsum.photos/400/300?random=6">
</div>
<div class="item">
<img src="https://picsum.photos/500/500?random=7">
</div>
<div class="item">
<img src="https://picsum.photos/500/600?random=8">
</div>
<div class="item">
<img src="https://picsum.photos/100/300?random=9">
</div>