Useful pre-read:

• https://developer.chrome.com/blog/masonry-syntax
• https://rachelandrew.co.uk/archives/2024/09/21/masonry-and-good-defaults/
• https://webkit.org/blog/16026/css-masonry-syntax/
• https://www.oddbird.net/2024/10/01/grid-masonry-nuance/

CSSWG feedback issue: w3c/csswg-drafts#11060

Once a decision is made, we might have to update the masonry description in web-features. Current description:

Masonry is a type of CSS grid layout where the items on one of the axes are tightly packed together, like brickwork, instead of leaving gaps to align across the other axis.