Wait for dependency to get fixed because this will require screwing with how images are sized and I'd much rather do that on a stable head.

I think that, roughly, this will get fixed because we're turning away from a transparent background...but I could be wrong. At the very least we need to rethink this.

Change 107881 had a related patch set uploaded by AalekhN:
multilightbox.css : Creates white border around the image

https://gerrit.wikimedia.org/r/107881

Oh, sorry, we should have closed this when we DRASTICALLY changed the style of the lightbox. Sorry about that, AalekhN.

Change 107881 abandoned by MarkTraceur:
multilightbox.css : Creates white border around the image

Reason:
No longer an issue since the redesign.

https://gerrit.wikimedia.org/r/107881