How do I set my theme in the Parent App on my Android device?
In Settings, parents can choose between three app theme options, Light, and Dark Mode.
Open User Menu
In the Dashboard, tap the Menu icon.
Tap the Settings link.
To select preferred theme tap Light  for dark text on light background, Dark  for light text on a dark background and High Contrast Mode  enhances the color contrast of text, buttons, and other elements.