Container queries
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Container_Queries
Spec: W3C CSS Containment Module Level 3: https://drafts.csswg.org/css-contain-3/
Demo: https://lab.ishadeed.com/container-queries - https://ishadeed.com/article/container-queries-are-finally-here/
https://www.oddbird.net/2021/04/05/containerqueries/
https://css-tricks.com/next-gen-css-container/
https://github.com/sturobson/Awesome-Container-Queries
@container and :has(): two powerful new responsive APIs landing in Chromium 105 - https://developer.chrome.com/blog/has-with-cq-m105/
Text size scales with the container: https://twitter.com/wesbos/status/1614016671043276815
Quick Start Guide: https://www.oddbird.net/2021/04/05/containerqueries/