This site isn't well maintained. Use Autoprefixer instead:
- https://github.com/postcss/autoprefixer#autoprefixer-
- https://developers.google.com/web/fundamentals/tools/build/setupbuildprocess#dont-trip-up-with-vendor-prefixes
- http://css-tricks.com/autoprefixer/
- use the sublime plugin for ez pz
##$$ How to build after changing the CSS or JavaScript
# Install grunt-css if you haven’t already
npm install grunt-css
# Then, just run `grunt` from the root directory of this project
grunt