Grupo de organizaciones fraternales
Masonry.js was famous for creating, uh, Masonry layouts. But it did something else, too: animate fluid grids. Here's a way to get that in native CSS as well as the layout.
The WebKit gang did a good job with The Field Guide to Grid Lanes showcasing what kind of layouts are now achievable with display: grid-lanes;. Basically: Masonry layout, with arbitrary column widths,
Flexbox has a very specific algorithm for determining how to deal with remaining (or lack of) space in a row. Let's use actual math to understand it then apply it to a masonry layout.