If you want to try the most popular Gnome themes easily, or if you tend to change your Gtk theme frequently, then "Install GNOME Themes" is for you. This is a script that installs more than 40 popular Gnome themes (and that's not counting light/dark or compact variants), by downloading their latest code from Git. The themes are automatically built from source when needed, and are installed in the user's ~/.themes folder.
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