Guide
Account & settings
Appearance
Background, accent colour and text size, previewed as you choose.
  1. You → Appearance.
  2. Pick a background (dark or light), an accent colour and a text size. The page previews it straight away.
  3. It's kept as soon as you pick it, and follows you to every device you sign in on.
Related
Finding your wayToday, then the tabs you choose; You (your picture) for everything else.Account & passwordSettings, username, password, signing out and deleting your account.