I love tree style tabs and I really want to encourage people to set it up and really customize their user stylesheet to make the best use of it. I have removed

I love tree style tabs and I really want to encourage people to set it up and really customize their user stylesheet to make the best use of it. I have removed all traces of the original tab bar at the top and the three primary window buttons (close, restore, minimize) giving me back lots of that precious vertical space. Their GitHub has a ton of CSS snippets to help you with customization. I'd also be happy to share my user CSS file.