Whether the overwhelming brightness makes you feel uncomfortable when reading a PDF file in the dimness? Do you want to change the page style after reading a PDF file for a long time? PDF reader pro can meet all your needs, read the steps below and you can change the color of the page background.
1. Tap Page Display on the toolbar;
2. Find Theme and choose a color in the panel, there are 4 modes for you to choose: Light, Sepia, Dark, Reseda;
3. Or you can customize the background color according to your preferences, followings are the steps:
Click More -> choose a color or click More -> tap Set Custom Colors -> choose a color and click Add to Custom Color -> click OK.
Note: If the properties panel is hidden, click the triangle icon on the left to show it.