Revert 8a5c401..e58252a

This rolls back to commit 8a5c4013b566620ac8ee315bb1d2b0747f49ceba.
Revert c6250d4..f7b4807

This rolls back to commit c6250d497bf091495deb9ae717ad1f87c1ad7e65.
added media queries and established px,rem,em vertical rhythm