Fix MonoBook orange banner hover styles
Fix MonoBook orange banner hover styles

Follow-up to 2583f803c385577f4fd3b94ca96cfec03b639cc3.

Bug: T284496
Change-Id: Ib476d28fc2a89a7722b6218a5fe557157c863d7d

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo