ameo – containers: use vars for heights; add .hero
ameo/content-heading – move to .hero
ameo – mk .content class; mv padding to .content

mk = make; mv = move
ameo/header – use .dont-resize-font class
ameo/content-heading – improve label semantics
ameo/html – process
ameo/variables – prep for next few commits
ameo/templates – indent (1x)
ameo/partials – use .contents for header, nav, footer
ameo/styles – update & stuff
ameo/html – process
ameo/footer – make it work right