Tabs on bottom of the titlebar WebExtension
This extension puts the tabs at the bottom.
How to install in Firefox v63+ Nightly or DevEdition:
about:config?filter=extensions.legacy.enabledand set it to true. This is a WebExtension but the API is still rough around the edges, it needs some legacy stuff.
- Open about:debugging and load the manifest.json from disk.
Unfortunatelly this cannot be signed by Mozilla and published on AMO until this issue gets fixed.
The CSS is based on Timvde/UserChrome-Tweaks/tabs-on-bottom-titlebar.css:
More info about the new theme_experiment API on the addons blog.