{
    "outputFileName": "out.js",
    "inputFiles": [ "in.js" ],
    "minify": {
        "enabled": true,
        "preserveImportantComments": true
    }
}

 {
    "outputFileName": "output/bundle.css",
    "inputFiles": [
      "css/lib/**/*.css", // globbing patterns are supported
      "css/input/site.css"
    ],
    "minify": {
        "enabled": true,
        "commentMode": "all"
    }
  },

 $(this).css( { text-decoration : underline })

CSS Fonts 3 added downloadable font support to CSS with @font-face, and also control of OpenType features. 

PostCSS plugin to parse CSS and add vendor prefixes to CSS rules using values from  Can I Use