Draft: style.css: remove green background color
Since libadwaita 1.6 suggested actions makes use of accent colors.
Ref: https://gitlab.gnome.org/GNOME/libadwaita/-/blob/main/doc/style-classes.md#suggested-action
Since libadwaita 1.6 suggested actions makes use of accent colors.
Ref: https://gitlab.gnome.org/GNOME/libadwaita/-/blob/main/doc/style-classes.md#suggested-action