First, open the page of the book you want to read. Then, click on the screen in the middle of the page. When the menu bar appears, click the "Background" button in the menu bar. Then, you can choose "Color" or "Picture" to customize. If you choose the "Color" method, you can choose your favorite color from the color palette below; if you choose the "Picture" method, you can choose the default picture provided by the system, or upload your own picture as the background.
1. Open Raspberry Reading, enter the reading page, and click Settings on the bottom menu bar;
2. When the menu options appear, click the custom option on the right side of the background;
3. Then you can upload the background by yourself, and adjust the font color and reading background color.
The above is how to customize the background of Raspberry Reading? Customized background setting methods, and more related information and tutorials, please pay attention to this website.