User blog comment:Rupert Giles/Global Navigation Update/@comment-25321390-20141206110216/@comment-4784321-20141206180645

What if I have lots of bookmarks, eating space, then the bar eating the rest of the space? Lol.

Anyway, I like to have the maximum content space I can have, and not have a bar hiding some parts of it. That's where CSS/JS comes in effect, I guess.