Responsive problem

Hello I have a problem with Jux portfolio.
The responsible function does not really work on the iphone especially in portrait position. You can easily see this link

www.responsinator.com/?url=www.smpconsei...com/nos-realisations

thank you in advance for your answer

Dear smp,
Thanks for contacting us and choosing our product!
I checked your site and see responsive problem but did you use old version?
Let's update lastest version and check!