Web Components inspired by the TV show Person of Interest.
This project is a couple of years old, but I've since revived it, and now it serves as my introduction to Web Components and Shadow DOM.
Check the demo here:
https://goncalomb.github.io/dashwood/
Also, here is an even older demo (the original idea):
https://samaritan.goncalomb.com/ (source)
dashwood is released under the terms of the MIT License. See LICENSE.txt for details.