- JS-enabled ULS button gets a focus state by moving the ULS click handler to the Menu checkbox instead of the h3, and unhiding the checkbox
- JS-enabled ULS button no longer gets a darker background when the menu is open (ULS default style)
- JS-enabled and no-js ULS buttons both rely on mw-ui-button and mw-ui-quiet classes for focus/hover/active states
- Old styles and skinStyles are removed
Bug: T283757
Change-Id: I66073d6128a27afbd80a7adcff03cc7fcefa9556