.snowflake {
    position: fixed;
    top: -10px;
    z-index: 9999;
    user-select: none;
    cursor: default;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    pointer-events: none;
    will-change: transform;
}

@keyframes snowfall {
    from {
        transform: translateY(0vh) rotate(0deg);
    }
    to {
        transform: translateY(105vh) rotate(360deg);
    }
}