<div class="grid6 grid12XS gutter">
<div>
<img class="lightbox" src="https://loremflickr.com/1920/1080/all?random=1" data-caption="Image 1">
</div>
<div>
<img class="lightbox" src="https://loremflickr.com/1920/1080/all?random=2" data-caption="Image 2">
</div>
</div>
<div class="grid6 grid12XS gutter lightboxContainer">
<div>
<img class="lightbox" src="https://loremflickr.com/1920/1080/all?random=3" data-caption="Image 1">
</div>
<div>
<img class="lightbox" src="https://loremflickr.com/1920/1080/all?random=4" data-caption="Image 2">
</div>
<div>
<img src="https://loremflickr.com/1920/1080/all?random=5">
</div>
</div>