Register form + Payment buttons aren't responsive + Status issue

Hello,

the pop-up registration form and manual payment buttons arent working on mobile browser.
additionally I would like to manually change the state of a pending booking, if the customer hasnt validated by clicking the paid button for example.

the site is: http://jcimartigny.ch/events/2017/09/50-ans-jci-martigny

thanks for helping me

best regards,
JCI