4 ms·How is a grid that requires a .row class exactly class-less?by rolfvandekrol 12y agoHow is a grid that requires a .row class exactly class-less?swsieber 12y agoIt's probably because you don't need to explicitly flag a container as a grid with a class. I think that's what he's getting at.rado 12y agoHi, the columns are class-less. Regards.