'''<dfn>CSS Houdini</dfn>''' is a [[W3C]] effort (that Mozilla is participating in and contributing to) to define lower-level [[CSS ]] [[DOM]] APIs for authors to understand, recreate, and extend highlevel CSS authoring features.
See [https://github.com/w3c/css-houdini-drafts/wiki CSS-TAG Houdini Task Force (CSS Houdini) home page] for more details and an overview of CSS Houdini work in progress.
Considering:
* [https://drafts.css-houdini.org/worklets/ Worklets Level 1], [https://bugzilla.mozilla.org/show_bug.cgi?id=1315239 metabug] (needed for Paint)