@felgallFeb 20.2007 — #Yes. You can place one id and as many classes as you like in the one tag. The id will take precedence because it is unique to that tag. The classes will take precedence from the right in the order they are specified.
@felgallFeb 20.2007 — #It is called [b]cascading[/b] stylesheets because the style settings cascade down until overwridden by something more specific or closer to the object to be styled.