Merge pull request #2 from rseymour/master

logs button clicks
Merge remote-tracking branch 'akhazan/master'
making changes in CSS

following the following presenations:
11/28/2014
https://speakerdeck.com/vjeux/react-css-in-js
12/14/2014
https://speakerdeck.com/vjeux/react-css-in-js-react-france-meetup