Xundu PDF Master is a professional PDF reading software. It can set the page background color at will. Friends who are not familiar with it can take a look at the following tutorial on how to set the page background color in Xundu PDF Master .
1. Double-click to open the software and click the gear "Settings" icon in the upper right corner.
2. In the window interface that opens, click the "Reading Settings" tab at the top.
3. Then find the "Page Background Color" option.
4. Click the drop-down button of the option box and select the appropriate option from the list given below.
5. Finally, click the "OK" button below.
