Note to whomever is going to add/adjust the campaign schemas.

The schema icons are taken from https://game-icons.net, with the following settings in their "icon editor":

• Foreground:
  • Type: vertical gradient from FFF7E2 to F0D5A8
    • No transformations, no shadow or stroke
• Background:
  • Type: vertical gradient from D6BA8B to 624837
  • Shape: rounded-square, corner radius 32