Site Alert Banner
Each property site can have a global alert banner, which is used for displaying important messages on every page of that site.
The global alert banner in Atmore’s header
The alert text and URL for the “See More” link can be edited as HTML on the Site Alert item, which is located under the Data folder of each property site. For example, Atmore’s alert can be changed here: /sitecore/content/Wind Creek/Wind Creek/Home/Atmore/Data/Site Alert
Atmore’s Site Alert item in Sitecore
You can also unpublish this item to hide the alert.