Install kadu-themes by entering the following commands in the terminal:
sudo apt update sudo apt install kadu-themes
Description:
Additional icons and emoticons for Kadu
Gadu-Gadu is a Windows instant messenger, very popular in Poland. Kadu is a Qt5 client of Gadu-Gadu and XMPP for *nix systems. . This package provides additional icons, sounds and emoticons themes for Kadu.
Homepage: http://kadu.net
Version: 4.1-1.1
Section: universe/net