In Settings, you can choose between three app theme options, Light, Dark, and System Settings.
In the Dashboard, tap the Menu icon.
Open Settings
Tap the Settings link.
Open Appearance
Tap the Appearance link.
Select Theme
To select your preferred theme, tap System Settings to reflect your current device's theme [1], Light Theme for dark text on light background [2], and Dark Theme for light text on a dark background [3].
