/* Snowfall Effect */
.snowflake {
    position: fixed;
    top: -10px;
    z-index: 9999;
    pointer-events: none;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 0 5px #fff;
    animation: fall linear forwards, sway ease-in-out infinite alternate;
}

@keyframes fall {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(var(--end-x, 100px), 110vh);
    }
}

@keyframes sway {
    0% {
        margin-left: -15px;
    }

    100% {
        margin-left: 15px;
    }
}