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