gtk-theme-Greybird: gtk-theme-Greybird (Desktop Suite for Xfce) gtk-theme-Greybird: gtk-theme-Greybird: Greybird is a Desktop Suite for Xfce. gtk-theme-Greybird: gtk-theme-Greybird: Home page: https://github.com/shimmerproject/Greybird/ gtk-theme-Greybird: gtk-theme-Greybird: gtk-theme-Greybird: gtk-theme-Greybird: gtk-theme-Greybird: gtk-theme-Greybird: