Shop By Stone

On this page ( https://bellissimacrystals.com/pages/shop-by-stone ) both on desktop there is one collection per row.

On desktop I would like 4 collections per row

On Mobile I would like 2 collections per row

Is there any way of doing this?

The website page is: https://bellissimacrystals.com/pages/shop-by-stone

The password is: flahnu