@layer tokens {
    @keyframes fade-in {
        from {
            opacity: 0
        }
        to {
            opacity: 1
        }
    }
    @keyframes fade-out {
        from {
            opacity: 1
        }
        to {
            opacity: 0
        }
    }
    @keyframes spin {
        100% {
            transform: rotate(1turn)
        }
    }
}