PUG+ alignment issue

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I am attempting to add a grid gallery via PUG+ to a site and from the example page it looked like I could do exactly what I wanted. I basically just want a 2 column grid with a set amount of space between thumbnails both vertically and horizontally and the fancybox lightbox effect when clicked. For whatever reason no matter what I do, the frame extends the full width of the block. If i add or delete thumbnails, the frames auto resize to justify to the full width of the column with the thumbnails the size I want centered within them. I just want the images aligned left with the grid spacing to set the amount of space in between the thumbnails. I am not a savvy programmer, but I was able to figure out how to remove the silly grey frame around all the images by editing the CSS, but can not figure out the alignment issue.

 
Mnkras replied on at Permalink Reply
Mnkras
Please use the support forum for that addon.
antisyphus replied on at Permalink Reply
I could not find any support forum or developer support for the add on, that is why I posted here. If you could point me in the direction of that forum, I would be happy to posture question there.