http://developer.mozilla.org/en/docs/Mozilla_CSS_Extensions
CSS Reference:Mozilla Extensions
http://developer.mozilla.org/en/docs/CSS_Reference:Mozilla_Extensions
Articles in category "CSS:Mozilla Extensions"
http://developer.mozilla.org/en/docs/Category:CSS:Mozilla_Extensions
some of the custom style properties that Mozilla supports.
http://www.xulplanet.com/references/elemref/ref_StyleProperties.html