Lightbox not working

Hello,

I dont understand but lightBox doesn’t Work into my Gallery ??

https://info-du-jour.net/tunisie/top-10-hotels-en-tunisie-selon-tipadvisor/

I try to resolve the problème by installing CSS3 Lightbox but this doesn’t resolve my problem.

thanks for support.

https://www.ads-software.com/plugins/envira-gallery-lite/