Fancybox not working on my gallery images

Hello,

Sorry to bother you with more of the same questions, I have searched on the forum and can not find an answer… Fancybox not working on my gallery images. Site here:

https://graphicspixie.co.uk/Content/design-2/

Any help would be great ??

Also any ideas on how to reduce the white space between my images?

Thanks again.

xx