lightbox gallery image description on mobile

Hey guys. Is there a way to adjust the header and description content for mobile. It looks good on desktop but when switched to mobile there is a transparent grey bar over the bottom where the description shows and my client does not like it. Take a look at the screenshot.

We do want the image header info and the close button but the bottom stuff where social and the heart/like button shows on moble covers the description instead of it going underneath the description on scroll which would have been fine. How can we keep the top header and get rid of the bottom overlay on mobile?

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