Gnome extension, theme, etc stuff. My personal repo.
This two gnome-shell themes in alter GDM login backgraound and recreate gnome-shell-theme.gresource for fedora users. The background image name is gdm_wallpaper.jpg and location is /usr/share/backgrounds
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/workman729/gnome-stuff/