Install cairo-dock-core by entering the following commands in the terminal:
sudo apt update sudo apt install cairo-dock-core
Light eye-candy fully themable animated dock for Linux desktop
Cairo-dock has a family-likeness with OS X dock, but with more options. It uses cairo to render nice graphics, and Glitz to use hardware acceleration. It's fully configurable and can be a taskbar too. You can easily plug applets into it. . This package provides Cairo-dock-core application.