You can enable Magnetic's dark mode as follows:

  1. Navigate to "Personal Settings"
  2. Scroll to the "Skin" section
  3. From the dropdown you will have 2 choices for a dark theme.
    1. Default dark - default dark background with dark theme
    2. Daily background dark - daily changing background with dark theme
  4. Select one of the choices above
  5. Save

Your theme will be updated to the dark theme.