This script load QMod.jsm as a Firefox module and has access to all low levels apis so you can change basically anything on Firefox.
1. Copy `firefox` to firefox installation.
2. Copy `chrome` to profile folder.
* `qmod`
* `svg.context-properties.content.enabled`
* `toolkit.legacyUserProfileCustomizations.stylesheets`
* `gfx.vsync.force-disable-waitforvblank`
* `layers.acceleration.force-enabled`
* `gfx.webrender.all`
ui.systemUsesDarkTheme = 1
-
userChrome.uc.css
Modify Firefox user interface. -
userContent.uc.css
Modify all pages.