Make Phortune checkout UI a little less bad
Summary: Ref T2787. There were some mega-uggo buttons and such; reduce the uggo-ness by a hair.
Test Plan: {F179686}
Reviewers: btrahan, chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T2787
Differential Revision: https://secure.phabricator.com/D10006