show captions on image when hover (exhibition format over and over)

celin / 2019-06-13 19:42:36   

i didn't find an answer in the forum so i try here.
The question is in the title of my request, but i can rewrite it here: i would like captions to appears on pictures when mouse is hovering. Is it possible with over and over exhibition format?

here is my website:

thanks if somebody knows the answer.

This thread has been closed, thank you.