.snow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

@keyframes fall {
    0% {
        transform: translateX(0) translateY(-10vh);
        opacity: 1;
    }
    50% {
        transform: translateX(calc(-10vw + 20vw * var(--random-x))) translateY(50vh);
        opacity: 0.8;
    }
    100% {
        transform: translateX(calc(-20vw + 40vw * var(--random-x))) translateY(110vh);
        opacity: 0;
    }
}

.snowflake {
    position: absolute;
    top: -30px;
    background: white;
    border-radius: 50%;
    animation: fall linear infinite;
}