The Announcement bar is a great place to fill your customers in on new promotions, offers and changes to your store. This bar will appear above the Header section making in the first thing customers will see at the top of the page when they visit your store.
The Announcement bar settings include Color control for the text and background, the option to add a link and the text used.
Enable the announcement bar
To activate, select Show announcement.
Configure this feature to display only on the home page by selecting Show on home page only.
Add a message for desktop and mobile
Add copy to the the Text field, then add copy to the Text (mobile) field to display separate messages for mobile and desktop.