Padding between lines in flexbox?

Question

Layout

Hello. In the flex parent - 4 flex elements (product item). How to correctly and most set the indent from below between elements (margin is inconvenient, you have to deal with nth-child setting them to zero in the last line), which comes out sideways in the adaptive when elements jump. In grids, grid-gap helped out a lot in this regard: and the problem was solved at the root. Is there a similar approach in flex?

Answer 1

Negative margins are not bad for this case: