This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
The errors.header and errors.fotter content apply to the entire block of messages, whild the errors.prefix and errors.suffix content apply to each individual error message. You could easily apply a CSS style using these standard messages.