Edit a shared border
Open a page that uses the shared border you want to modify.
In
Page
view, click inside the shared border region, which is outlined with a dashed line.
When you click the area, the outline changes to a solid line.
Make your changes to the content inside the shared border region. For example, type or delete text, or add a picture.
Click
Save
. Your changes will appear on all pages that share the border.