to learn how to apply the costom css use the zen docs here
make sure you are in single side bar mode for the button layout: right click toolbar > costomize toolbar >
- drag the new tab button to the bottom right of the sidebar
- drag history on the left side
i used alot of stuff from this repo: ZenMods/[Setup] Arc Mode on Zen at main · KiKaraage/ZenMods
to get the link thing use this:
Copy Link Button / Copy Frame or Page URL – Get this Extension for 🦊 Firefox (en-US)
