It doesn't help right now, obviously, but for future consideration you might be interested in the proposal to extend CSS Grid to have Masonry support; see https

It doesn't help right now, obviously, but for future consideration you might be interested in the proposal to extend CSS Grid to have Masonry support; see https://github.com/w3c/csswg-drafts/issues/4650 https://github.com/w3c/csswg-drafts/issues/4650.