8flow theme is Plank Dock theme made by me (Flou Ainan) upon the Arc Plank theme from AUR.
AUR base file: https://github.com/horst3180/arc-theme

I N S T A L A T I O N:
Extract the .zip file annd move the "8flow" folder to /.local/share/plank/themes/

Remeber to allow hiden files to be seen in your file manager

Step - 1
- Open the download folder on your file manager.
- Extract the .zip file there.
- Delete the original .zip file.
- Select the "8flow" folder and cut it (ctr+x).

Step - 4
- Go to your home folder and be sure to allow hiden files to be seen. Usualy ctrl+h can hide and unhide it.
- Navigate throug tha following folders .local > share > plank > themes
- Now that you are in plank themes folder you can paste the "8flow" theme folder there.

Step - 5
- Hold Ctrl and click on your plank dock and open preferences
- On Theme option select the brand new 8flow theme