I'm going to refer to the images on this page for clarity: http://webdev-moreenimedia.sis.uta.fi/2017/08/18/lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit/
I'm using the lightbox shortcode, but when using a smaller device the images don't scale too nicely (especially on my phone). Clicking/tapping on the next and previous pictures to navigate works fine, but there's not always a part of them visible. And when I start swiping, things get broken pretty quickly:
I confirm the unusual behavior,
Please go through this document and make sure you have set the code as instructed.
If that does not help, could you please share your wp admin credentials so we can take a closer look?
Seems that my problem was having the lightbox shortcode after every image element in the article. Deleting all but the last one seems to have fixed it.
Yes, you need to use only one lightbox shortcode.
Glad you were able to figure it out.
Have a nice day!