- body
  - nav
    - div#subnav
      - input#search
    - h1
  - nav#versions
  - main
    - div.search-results
    - ul.search-results__items
    - article
    - ul#toc

TODO:

- [x] pick a grid
- [x] basic header style
- [x] basic version picker style
- [x] fix body width
  - [X] section lists
- [x] basic style for table of contents
  - [x] open
  - [x] active
- [ ] footer
  - [x] footer content
  - [ ] style footer
- [ ] style links
- [ ] mobile views
  - [x] fix header scroll

grid: 1.75rem between columns; 2rem from row to row; 1.5rem from row to gutter
