Summary: Keeping in step with the gradients on the grey buttons, this adds slight gradients and hover states to blue and green. I feel like they are much more obviously buttons now in the UI (on headers for example).
Test Plan:
Review UI Buttons, check differential, actions, other random buttons.
{F1137208}
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin
Differential Revision: https://secure.phabricator.com/D15379
58aac5de0e