fork normalize.less and get medieval on headers and lists
improve menu transitions.

this code needs to grow into an API for writing code that controls this
kind of UI behavior.
reduce width of 'menu'
css tweaks: force body to full viewport height, add padding to menu's list, give entire body padding. padding in #controls area is independent of this. hope to find elegant solution that'll keep these paired.
give #controls a base color to keep main content area from bleeding under it