As reported on
[[wikibooks:Wikibooks:Reading_room/Technical_Assistance#CSS_is_not_loaded_on_secure_server]]
rules such as
@import url("/w/index.php?title=MediaWiki:Common.css/Infobox.css&action=raw&ctype=text/css") screen;
are not working on secure server. They generates errors such as
GET https://secure.wikimedia.org/w/index.php?title=MediaWiki:Common.css/Infobox.css&action=raw&ctype=text/css 404 (Not Found)
on Google Chrome 13.0.782.107.
Version: unspecified
Severity: normal
URL: https://secure.wikimedia.org/wikibooks/en/w/index.php?title=Wikibooks:Reading_room/Technical_Assistance&oldid=2155688#CSS_is_not_loaded_on_secure_server