A collection view layout presents the visual grouping of the items in your collection. Layouts are intended to be modifiable to allow you to display a small to a large collection. You can display a different number of products per row on your mobile phone or desktop device.
How to Layout the Collection View
In Shopify admin, select Online Store.
Select your Debutify Theme and click on Customize.
On the top menu, select Collection pages from the drop-down list.
Click on Collection pages.
Modify the view layout of your collection by altering the number of rows and products per row in your devices.
Click Save to apply the changes.