Adapt the view of learningCloud to all the resolutions of the Firefox

In learningCloud if I access using Firefox browser and view the webpage on 90% I can see all the groups available to be enrolled, but if I go back to 100% or 110% the last groups dissapear.

It would be great if you could implement a fix so all groups are showing if you view the webpage on the standard 100% zoom.  

Thanks,