code: function (name, detectorFn, imagePath) {
  		var options = this.options,
  		    prefix = options.classNamePrefix,
  		    optionValues = detectorFn(prefix + name, imagePath);
  
  		for (var optionName in optionValues) {
  			options[name + optionName] = options[name + optionName] || optionValues[optionName];
  		}
  	}
docs: Retrieve values from CSS and assign to this instance options.