XUWeijiang / gtk-gresource

Change your login theme to your gtk theme

Article

GRESOURCE Builder for GTK login themes

Included themes ./build:

Arc Arc-Dark EvoPop Pop Pop-dark Vertex

$ git clone https://github.com/devpytech/gtk-gresource.git
$ cd gtk-gresource

# Replace Arc with the theme you want to use
$ ./build.sh Arc
$ ./switch.sh Arc

Also see gresource-extract

This tool can help you edit your login screen theme if you want to add a background or change the font.