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@ekaitz_zarraga oh I'm not either.
This is all I can give you while on my mobile https://hacks.mozilla.org/2019/05/firefox-67-dark-mode-css-webrender/
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It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!
@ekaitz_zarraga oh here we go. https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme