It's actually feasible for most websites, with surprisingly good results. CSS tricks go a long way, even if the website doesn't support prefers-color-scheme. G

It's actually feasible for most websites, with surprisingly good results. CSS tricks go a long way, even if the website doesn't support prefers-color-scheme. Give this addon a try (on desktop or mobile Fennec only, obviously): Dark Background and Light Text [0] [0] https://addons.mozilla.org/en-US/firefox/addon/dark-background-light-text/ https://addons.mozilla.org/en-US/firefox/addon/dark-backgrou...