IOUtils.write(concatenatedCss, fos);
fos.close();
Css2Gss converter = new Css2Gss(tempFile.toURI().toURL(), logger, lenientConversion);
return new ConversionResult(converter.toGss(), converter.getDefNameMapping());
} catch (Css2GssConversionException e) {
String message = "An error occurs during the automatic conversion: " + e.getMessage();
if (!lenientConversion) {
message += "\n You should try to change the faulty css to fix this error. If you are " +