Help with checkbox check color

Hi,

libreWolf V.123 (with firefox-gx theme [(https://github.com/Godiesc/firefox-gx)] ), broke the color of the checkbox check. it was black now its white.

the code:
--checkbox-checked-color: black !important;
not working anymore.
Not in ogxnotifications.css, and not in ogxUC-settings-addons-pages.css.

There is any code for change the checkbox check to black again?

Thanks :-)