add things here
- centre the recent posts list on home page (and archive)
- fix internal nav styling for consistency (sans-serif?)
- pick another sans-serif?
- fix homepage and page header/nav media query breakpoints
- review: use of position: relative for header displacement?
- consider moving footer out of bootstrap in html
- style return to top link esp. for $screen-xs-max
- fix versal, esp. for $screen-xs-max
- improve date styling
- improve archive list styling/recent-post styling
- improve homepage contact link hover styling
- improve about page?
- use Petica for footer content text?
- start paying this site more attention again