The right-hand panel shows all the customization options, and the Background section is already expanded and ready for editing.
Locate the "Background" Section:
On the right-hand customization panel, scroll until you see the "Background" header.
This section controls the area outside the actual book pages.
Choose the Background Type:
Under "Background Type," you have three options
Image: Select this to upload or choose an image file (like a photo or a pattern) to use as the background.
Solid: Select this for a single, uniform color.
Gradient: Select this to use a blend of two or more colors that transition into each other.
Set the Color or Image:
If you choose "Solid" or "Gradient":
You will see the "Background Color" option. Click the color swatch (which currently says transparent) to open a color picker.
Choose your desired color or set up your gradient.
If you choose "Image":
Save Your Changes:
After you have made your selection and the background looks the way you want it to, scroll down to the bottom of the right-hand panel.
Click the purple "Save Settings" button to apply the new background to your flipbook.
