NextGen Gallery Confusion

Hello guys.

I was wondering what kind of modification is this gallery on this website >>

https://top10lol.com/2015/02/awkward-public-selfies-will-make-question-faith-humanity/

Please i need to know if its actually nextgen which i do believe it is. And if is pro one i don`t mind buy in it , but i want to be sure if its nextgen and is possible to make it like this

Actually i am using nextgen 4.1 free version and if this is Pro version please guys let me know because i want me gallery just like this website.

Regards

https://www.ads-software.com/plugins/nextgen-gallery/