If you are using a custom theme you can edit the Space Layout directly. It requires a bit of knowledge around use of velocity templates and a bit of html. We have the document on how to how to do this below.
if you are using a documentation theme: https://confluence.atlassian.com/display/DOC/Configuring+the+Documentation+Theme#ConfiguringtheDocumentationTheme-CustomisingtheDocumentationtheme
search this page for "customizable header"
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs