I am trying to use a grid-style layout for the store pages.

I am trying to use a grid-style layout for the store pages. I have chosen that setting option but the items remain in list view.

You can view examples here:

http://www.savannahtearoom.com/store/products/category/loose-tea/

http://www.savannahtearoom.com/store/bagged-tea/

Thank you.