Test pages for various web platform features
- animated GIF: https://output.jsbin.com/letexax/quiet
- size of viewport, ICB,
<html>: https://output.jsbin.com/jafisub/quiet - viewport units: https://output.jsbin.com/jexifog/quiet
- Why is my
prefers-color-schemevalue? https://output.jsbin.com/fadinaq/quiet