Prestige collections Grid problem

[eneidkodra]

im using Prestige theme,
I have 3 collections in the collection list section of my homepage. The size of the images are too big on mobile even on it's smallest setting. Is there a way to make them smaller? Thank you so much!
my url store https://bythrones.com/?key=e5a084a6144c1cabcca91f226557b36d7f7a6b0225ced6cb9f7ca90fb9e716ff


i woud like it to grid 3 or 4 per row,,,,like the example pic i sent.