Will be nice to have possibility to perform re-branding easily in the Zabbix.
It would be good to define branding in a single CSS that then could be defined in the "Administration->Users->Theme" menu.
In general need to change css files, change page_header.php, page_footer.php, change /include/locales/*.inc.php, add custom *.ico files, place *.ico and *.jpg files in the ./images/general and ./images/gradients directories, etc.
Will be nice if this process could be simplified.