Install human-netbook-theme by entering the following commands in the terminal:
sudo apt update sudo apt install human-netbook-theme
Description:
Human Netbook theme
The default Human Netbook theme. At the moment the package contains - the theme definitions - metacity theme elements. . It pulls in the Cursor theme, the GTK+ theme and the Icon theme which gives Ubuntu the Human look.
Version: 0.16ubuntu1
Section: universe/x11