TODO: add better description and instructions
npm install
gulp autoprefixer
This generates two files. The default CSS created by autoprefixer: https://github.com/expectedbehavior/gauges-browserstats-example/blob/master/default-output/example.css
And a CSS file that is customized to the your website's real life borwser stats: https://github.com/expectedbehavior/gauges-browserstats-example/blob/master/real-life-output/example.css
gulp --api_key=KEY_GOES_HERE --site_id=SITE_ID_GOES_HERE gauges