fix(Typography): Remove last-of-type margin.
fix(Typography): Remove last-of-type margin.

Fixes #70.

jkeddy/rocketbelt,jkeddy/rocketbelt,chanceaclark/rocketbelt,Pier1/rocketbelt,chanceaclark/rocketbelt,jkeddy/rocketbelt,chanceaclark/rocketbelt,Pier1/rocketbelt