Hide the Firefox Menubar

Oh Maynard, this is so cool. I was just surfing away here, hitting F11 occasionally to go full screen with Firefox. And thinking about how, for the years I’ve been using Firefox, I’ve been hoping they would add an option to remove the Menubar. You know, that list at the top that says, File Edit View, etc. I don’t use it very often, so why not keep it out of the way. Right.
Suddenly I said to myself, Self, with all the cool add-ons out there for Firefox, I’ll bet there’s one for hiding that thing. And Self said, Google it. And I did, and I had it installed in seconds and it works great. After you install it, the menubar is gone. Want to see it? Hit the Alt key.
So I’m setting you up: