.snowflake {
    position: absolute;
    background-color: white;
    border-radius: 50%;
    opacity: 0.8;
    pointer-events: none;
}

@keyframes fall {
    0% {
        opacity: 0;
        transform: translateY(0);
    }
    10% {
        opacity: 1;
    }
    100% {
        opacity: 0.5;
        transform: translateY(100vh);
    }
}

@keyframes diagonal-fall {
    0% {
        opacity: 0;
        transform: translate(0, 0);
    }
    10% {
        opacity: 1;
    }
    100% {
        opacity: 0.25;
        transform: translate(10vw, 100vh);
    }
}