Sometimes a single color is all you need to set the backdrop of your promo page, when your goal for design is simplicity.
- In the editor click on Pages.
- Scroll to the Promo page and click on the blue Edit button.
- In the window that appears, open the Image design tab.
- Click the dropdown menu and choose the only with colors option.
- Pick the size of the strip you want in Minimum Stripe Size and choose the background and text color from the color boxes.