Images size

Hello, I would like to have bigger images in expander. Can you please tell me file/lines I have to edit?
Is it possible to use lightbox?

Thanks!

Hi Quirino Santilli,
Thanks for contacting us and choosing our product!
About your problem.
If you want to picture, please change the size of the image because our JS it will take real image size.
If you want to change with CSS
Please go to jquery.justifiedgallery.css file (modules/mod_jux_gallery/assets/css)
line 122
add css
width: 100%!important;
Thanks!