Squashed 'shared/' changes from b44ab56..f1bac88

f1bac88 fix nav styles
dbd328e changed footer
1dd36cc use head partial
adbec82 update shared styles
a9ee857 update styles
55cfe32 add shared styles

git-subtree-dir: shared
git-subtree-split: f1bac882fadc8c60e341ba1b802b0cd9f2ce7c2d
Merge commit 'f98d4711a2eba263b8eb99f299a9192ca10e0bb0' into redesign
tweaks
nav snippet