@keyframes flashMove {
    0%,
    100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.2;
        transform: translateY(-10px);
    }
}

@keyframes arrowFlash {
    0%,
    100% {
        opacity: 1;
        transform: rotate(45deg);
    }
    50% {
        opacity: 0.2;
        transform: rotate(45deg);
    }
}