How to make a fancybox gallery is NOT responsive?

Tell me, please, what that crutch how to make fancybox gallery without adaptive. There is text in the picture and it is not readable, because the picture is adaptable. I thought that it is possible to put the image in a separate unit and that unit fixed width. But it won't work, because the site in the admin area. How could then ask the wrapper via js?
July 2nd 19 at 17:25
1 answer
July 2nd 19 at 17:27
Change width: 100% to width: 200px;
.row-img__one-publication {
width: 200px;

in custom.css add
.gallery-js img {
 max-width: 200px;

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