This text will be green if the rule has been applied.
@import url('styles.css');
This causes Netscape to hang. Browser must be closed and all related processes stopped using the Windows Task Manager before it will run correctly again.
A non-validating way of getting the same result is to use @import("styles.css");. See http://www.premonition.co.uk/cssd/ie51-only.html for more details.