To use:

1. Install Stylus: Firefox / Chromium (or read more - It's open-source and widely used)
2. Click the install links below (or just go directly to the raw file pages for each)

Wikimedia CSS tweaks

General

• Enhanced Vector-2022 (compact the whitespace and tools, use the pre-scroll-header as sticky-header)
  • Install directly with Stylus
• quiddity (many powereditor tweaks - see code comments for details)
  • Install directly with Stylus
• dark (dark mode)
  • Install directly with Stylus

In testing...

• tables_vertical-align_top_test (for testing a proposed change)
  • Install directly with Stylus

Wikimedia JavaScript tweaks

• linkify-header-script (adds links that float next to subheadings. Only needed until phab:T18691 is implemented!)
  • Install directly with GreaseMonkey (etc) (Get ViolentMonkey for your browser)

Before / After

Default (while scrolled) -- vs -- showing "Compact-vector-2022"

see also

https://github.com/quiddity-wp/style-tweaks