Enables CSS formatting and adds style sheet information inline to the HTML output file.
CSS_TOFILE
Enables CSS formatting, and generates an external file or uses an existing external file, which is referenced in a <link...> element. If CSS_TOFILE is set, you must use the $STYLESHEET token to specify the URL of the style sheet in the HTML output.
The -c option can be used in the htmlini sample program to specify the full path and file name of an external CSS file.