CARD_BACK_COLOR = (100, 100, 200)
CARD_FRONT_COLOR = (230, 230, 250)
MATCH_COLOR = (120, 200, 120)
TEXT_COLOR = (0, 0, 0)
BG_COLOR = (50, 50, 80)
SCREEN_WIDTH, SCREEN_HEIGHT = 800, 600
FPS = 30