code: function getCssFilePath(stylesheet) {
  			var cssFilePrefix = option(wf.cssFilePrefixes, stylesheet);
  			return path.join(option(o.destCssPaths, stylesheet), cssFilePrefix + o.fontBaseName + '.' + stylesheet);
  		}
docs: Return path of CSS file.
  
  @param {String} stylesheet (css, scss, ...)
  @return {String}