This guide shows you how to change plank themes in Elementary OS. Works also in eOS 5.1 1. Download a bunch of themes for plank: https://www.gnome-look.org/browse/cat/273/order/latest/ 2. Extract the package to /.local/share/plank/themes 3. Open the terminal and type: Code (Text): plank --preferences 4. Now pick a theme for your plank - simple as that. Enjoy ^_^
Really useful guide AI Also for individual icons to save time there is a menu editor tool called Alacarte. You can use this to quickly select a new icon for any menu entry and then just add to Plank from there. Search Alacarte is in AppCentre