1. Go to the DigiSign Customizer and choose the signage you want to edit
2. Inside the Digital Signage Customizer, go into the Editor and click on the slide you want to change.
3. Each slide will have slightly different options. Scroll down until you get to 'Decoration'.
4. Select the colour you want to use for the background, or enter the colour code directly.
5. Don't forget to save your changes!