* Reduce size of buttons, form inputs, site menu items, paginator, and
sidebar text.
* Remove various dead rules (nonexistent selectors, rules overriden by
other rules, rules that were otherwise redundant or did nothing).
* Increase page margin size.
* Fix notes being mispositioned (caused by `#image { margin-top: 5px }` rule).
Fixes the search button wrapping to the next line in Firefox. Also fixes
the search box to be full width with no gap between the search box and
the search button.
