CSS Houdini Dojo

https://github.com/gnikoloff/houdini-dojo

A small project with 0 external dependencies to explore the emerging CSS Houdini Paint API.

The CSS Painting API — part of the CSS Houdini umbrella of APIs — allows developers to write JavaScript functions that can draw directly into an element's background, border, or content.

MDN

For detailed instructions on how to use please check out the repo.