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firefox-dark-theme.txt (859B) [raw]


      1 prefers-color-scheme 'dark' on Firefox
      2 ======================================
      3 Wed Jan 19 23:37:28 EST 2022
      4 
      5 The prefers-color-scheme media query [1] has become the de-facto
      6 way of auto selecting a darker theme on many sites. The only
      7 problem is that it _seems_ that Firefox takes its hints from the
      8 underlying desktop environment, and I usually run window managers
      9 without this magical attribute set.
     10 
     11 I found this about:config variable a while back to trick firefox
     12 into thinking I'm using a dark "system theme", which works great,
     13 but I always forget it (it can't be versioned in my dotfiles!), so
     14 here it is in my gopher notes:
     15 
     16 1. Go to about:config
     17 2. Add a new property with the name:
     18 
     19 	ui.systemUsesDarkTheme
     20 
     21 3. Set the value to "Number" and "1". No booleans allowed!
     22 
     23 [1]: https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme