Install shiki-colors-metacity-theme by entering the following commands in the terminal:
sudo apt update sudo apt install shiki-colors-metacity-theme
Description:
set of Metacity themes
Shiki-Colors is a set of Metacity/GTK-2+ themes which mix the elegance of a dark theme with the usability of a light theme, resulting in a hybrid theme. . This package provides the common Metacity themes.
Homepage: http://code.google.com/p/gnome-colors/
Version: 4.6-2ubuntu1
Section: universe/gnome