title: Compile Stylus (nodejs) .styl file to 2 different css files (Mobile and Desktop)
body: <p>Is it possible to compile a single stylus file to into 2 different css files, e.g. for ipad web app I am not interested in the -moz etc css online webkit, so one is optimised for mobile and the other for cross-browser app?</p>
  
  <p>thanks</p>