Foogallery not displyaing on Firefox only

Replies: 0

Hello.

First of all, thank you for your amazing plug-in!
However, galleries are not displaying well on Firefox while working fine on other browsers.

On Firefox, I can see grey grey square or really bad pictures (ex: https://imgur.com/a/gJqYq8F )

Pages example:
https://www.discoverwalks.com/blog/things-to-do-in-versailles/
https://www.discoverwalks.com/blog/things-to-do-between-the-eiffel-tower-and-the-louvre/

Thanks.

M.