On 2025-10-11, Eben King <[email protected]> wrote:
> In Firefox Settings on 12/Bookworm XFCE, there's
>
> Contrast Control
> Websites have a variety of foreground and background colors. Configure
> Firefox to use the same colors across websites for improved
> readability.
>
> ( ) Automatic (use system settings)
> ( ) Off
> (x) Custom
>
> Well, that's how it looks now. I wanted to change the color of the
> visited links, but that changes text and background colors too, which
> makes many web sites somewhere between "really messed up" and
> "unreadable". I would like to change the link colors _only_ and leave
> the other colors unset. I don't see a way to do that in "Custom".
> Where are the "system settings" made? Or, is there a way to do what I
> want in about:config? Thanks.
>
about:config
Set 'toolkit.legacyUserProfileCustomizations.stylesheets' to true.
Then you have to create a 'userContent.css' file in your profile folder
like:
@-moz-document url-prefix("http") {
a:link { color: #0066cc !important; }
a:visited { color: #800080 !important; }
}
