Unable to scroll on desktop browsers

After my page loads (with the gallery on it) I can’t scroll down the page. I have having the problem on Safari and Firefox on desktop only. It seems to be working fine on mobile. I am using the Avada theme so I don’t know if that is interfering with it.

I am hoping this is an easy problem to fix because I will buy the full version right away. Your plugin fixes all the things I don’t like about the gallery options in Avada.

Here is the test page I set up with the Unite Gallery if it helps: cherub.me/portfolio-2/