These are some CSS Files which you can use for some things.
Take file from min-css, and slap it into some CSS-Injector browser extension.
| Style | CSS | min-CSS |
|---|---|---|
| Steam printable receipts: use less ink to print | gh raw | gh raw |
| Messenger Mobile: an experimental style to make Messenger in browser on mobile somehow useable. | gh raw | gh raw |
See CONTRIBIUTIG.md. You can also create an Issue with the style you want to have.