By default, this line should have a green background. Only if and after the user chooses the alternate stylesheet should this line have an orange background.

Update: This bug has been FIXED in Internet Explorer 8 beta 2 (build 6001.18241) released on August 28th 2008. Otherwise, Internet Explorer 8 beta 2 PASSES this specific and particular testcase.

Valid HTML 4.01! Valid CSS!