In dark mode, the colours are darker overall, which means that the content you are working on stands out more, while windows and controls tend to fade into the background. This mode is particularly suitable for displaying documents, presentations, photos or videos.
Dark mode can reduce eye strain, especially if you work in dark environments or use the PC / laptop in the evening or early morning hours. This can help prevent eye fatigue and other eye problems.
When using laptops with OLED displays, dark mode can save energy and extend battery life. This is because OLED displays illuminate each pixel individually, so dark areas require less backlighting.
Quick guide
1) Click on the gear wheel (Settings) in the top right-hand corner of the web app.
2) Under the "Profile data" settings area, click on "Dark" in the top right-hand corner.
3) The web app is now displayed in dark mode and can be reactivated if required by can be switched back to light mode by clicking on "Bright".