https://code.launchpad.net/~seb128/unity-settings-daemon/xsettings-fixes-backport/+merge/273710 helps with the settings change to be reflected, also for qt apps/firefox/libreoffice by writing a Xresource)
https:/ /code.launchpad .net/~seb128/ unity-settings- daemon/ xsettings- fixes-backport/ +merge/ 273710 helps with the settings change to be reflected, also for qt apps/firefox/ libreoffice by writing a Xresource)