Other ways to say sets the css file used for the message tab for the network . can be a url to a .css file%2c or the shortcut %22dark%22 or %22light%22. if is a minus %28%27-%27%29 character%2c the motif will revert to the global motif. if is not provided%2c the current network is assumed. see the chatzilla homepage at for more information on how to style chatzilla. see also %7cmotif%7c