.rainbow-button{--color-1:oklch(66.2% 0.225 25.9);--color-2:oklch(60.4% 0.26 302);--color-3:oklch(69.6% 0.165 251);--color-4:oklch(80.2% 0.134 225);--color-5:oklch(90.7% 0.231 133)}