Fix Firefox scrolling.

While trying to figure this out, I noticed that the html element was the
element with the overflow style. I can't believe it was that easy. WTF
Firefox...
Remove the broken accounts management css.

I recall doing this trying to fix some Firefox styles, but I'm shaking my head
wondering why I put it in there now, and also the fact that it broke things and
I didn't even notice.
Merge pull request #6 from achiang/the_grind

css fixes