make labels white in dark theme
make labels white in dark theme

blandine/styleguide,tiaoshi/styleguide,blandine/styleguide,alinanmorariu/styleguide,tiaoshi/styleguide,Teleopti/styleguide,tiaoshi/styleguide,alinanmorariu/styleguide,alinanmorariu/styleguide,GrayOverride/styleguide,blandine/styleguide,Teleopti/styleguide,GrayOverride/styleguide,GrayOverride/styleguide