Gallery titles/Photo captions

How can I hide the captions from showing on the photos when "collage landscape" is selected for the gallery style?
Also, how can I reduce the title fonts so that the full title will appear (please see below image)?
Also, how can I reduce the title fonts so that the full title will appear (please see below image)?

0
Comments
--- Denise
Musings & ramblings at https://denisegoldberg.blogspot.com