CSS issue with bottom button

Hello,

First great component i have used it for quite a while. I just upgraded to the latest vesion and now i can not see the next button at the bottom because of a weird gray box that is appearing behind it.

www.wikfusa.com/membership-fees

can you please advise how i can either remove the box?

Please submit a support ticket sending us FTP account of the site. I will ask my template developer to edit the css to get the issue sorted for you !

Tuan