hi,
i have a little problem. when my gallery is in full screen, the cross to close is hide in the top/right and it's really difficult to see it.
have you the problem in another site?
regards,

i have found
in theme option--->lightbox you can resize, reorder cross to close

Dear Customer,

Thanks for posting your inquiry! We will be happy to help you out.

Could you please add the below code by going to Appearance > Editor > Style.CSS file.

.spider_popup_close {
right: 28px !important;

We are kindly letting you know that you can also change the height/width/font size etc. from the Photo Gallery themes.

Thanks and have a nice day!