This way you can click anywhere to gain focus

This won't work on a lot of browsers, but temporarily just target modern ones. (Robust solution is possible using classNames and refs)

- Auditing color CSS and componet CSS to make consistent.
- Made a first pass of changes to increase contrast to elements that previously were problematic

Resolves #1644

* Library: Centered sprites

* Close button component: large: added similar transition to add button
* Filter component: added autofocs, made full width