Install xfwm4-theme-breeze by entering the following commands in the terminal:
sudo apt update sudo apt install xfwm4-theme-breeze
Description:
Breeze theme files for xfwm4
This package contains the Breeze theme files for xfwm4, the window manager of the Xfce4 project.
Homepage: https://github.com/psy-q/xfwm-theme-breeze
Version: 0.1.0-3
Section: universe/x11