Ambrosia - Set Up Site Notice Area
To add a site wide notice message to the top of your website go to Apperance > Widgets. Under the Announcements widget section add a Custom HTML widget and add this code.
<p>Insert an announcement or sale here. <a href="#">Link here.</a></p>
Fell free to change the text to the message you want. For the # symbol you may insert a link. Click Save when you're done.