I feel like flexbox is the float grid system done right, and you can lay out children either vertically or horizontally, whereas floats with the clearfix hack w

I feel like flexbox is the float grid system done right, and you can lay out children either vertically or horizontally, whereas floats with the clearfix hack were only laid out as rows. But it's still mostly one-dimensional with possible wrapping, so the trick is to nest and stack. With grids it's different, a grid has a template and then the direct children occupy those predefined areas, which is more static than flexbox and the grid doesn't affect other nested elements, which is a limitation, but subgrid should change that.