Possible all-in-one stack album template bug

So let’s say i have two centered albums like this:
https://s23.postimg.org/j9xonn1nf/image.png
– and it looks ok.

But then after i click on one of the albums it expands like this:
https://s23.postimg.org/gv5t37lej/image.png
– it’s like “hard margin” for expander, which might be hard to override.

As you can see it expands only from actual start point from left and not full width of content area.

Anything can be done about it?

Page with bug example: https://wgdev.ayz.pl/uhaliny/galeria/

BTW. I’m not sure how translation of plugin works in repository. Normally it’s “stable”, but i can only see “development” version of translation. Foogallery still using local files(from plugin folder) or is it actually downloads translation from repository? I was thinking about translating foogallery into polish language, but i would like to be sure beforehand.