Banner

 uses BannerNotification interface to show custom banners.

Usage
Place desired text on the MediaWiki:Custom-Banner page. It is recommended to be as short as possible. The script will truncate banner content to 1000 symbols (including HTML markup).

Once closed, banner will be hidden for 3 months or until the MediaWiki:Custom-Banner page updated.

To remove the banner, delete or blank the MediaWiki:Custom-Banner page, or just stop importing the script.