Why won't my collection list split into 2 columns?

[PinMan]

I try to change 3 columns into 2 columns of products. When I click on the small gear by the purple bar of the collection list/product, and select “2 columns” nothing changes

it remains at 3

under the “Store” page of the site on “mobile”

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https://preview.webflow.com/preview/lambrusca?utm_medium=preview_link&utm_source=dashboard&utm_content=lambrusca&preview=6d6ddef5cb04e32a7288705974aae78c&mode=preview

[Matzinger (Studio Digital)]

4/4?
Set the Product Wrapper Width to 50% and not 33.33%

[PinMan]

4/4 but 10/10 response