suggested tweaks
Merge branch 'master' of https://github.com/shaefner-usgs/hazdev-template
update layout: full-bleed header/footer; content spacing
set :root font-size and remove em values
changed image list section tag to div tag
shift logo to align w/ nav
optimize selectors
add subtle nav transitions
trim whitespace btwn links
Remove unused css.
Merge branch 'shaefner-usgs-master'
move a styles to hazdev
Merge pull request #58 from shaefner-usgs/master

Merged.
Absolutely position offcanvas toggle. Add vertical space to banner (gives logo room to breathe). Remove small text from logo on mobile. Change template variables for active state. Update appearance of offcanvas toggle.
Reduce font-size on footer links so they fit on one line. Add vertical spacing after horizontal rule. Fix padding issue with centered links.
Reduce vertical spacing between navs in offcanvas.
Bring social icons to left edge on mobile.
Remove redundant style. Headers only get margin-top when they are sibling elements.
Enlarge common site navigation for full screen sizes.
Remove extra padding on common nav.