code: function(manifest) {
      var out = "/*\n";
      _.forEach(fields, function(n, key) {
          if (typeof manifest[key] != "undefined") {
              out += pad(n+":", 20) + manifest[key] + "\n";
          }
      });
      out += "*/\n";
  
      return out;
  }
docs: Creates style.css header content.
  
  @param {Object} manifest
  @return {string}
  
  TODO: add Author URI
  TODO: add license info