If you use the Archive of Our Own (AO3) and often switch between light and dark color schemes (e.g. you use your phone's dark mode and your laptop's light mode, or you have your computer set to automatically switch according to the time), you may find needing to manually switch between Archive skins too annoying to bother with. It is possible, though, to have an AO3 skin automatically react to your system or browser light/dark setting (known technically as the prefers-color-scheme media featu...