.snow.off {
    display: none;
}

.snow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2000;
    overflow: hidden;
}

.snow::before,
.snow::after {
    content: "";
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 200%;

    background-image:
        radial-gradient(2px 2px at 10% 20%, rgba(180,180,180,.9) 50%, transparent 55%),
        radial-gradient(3px 3px at 30% 60%, rgba(200,200,200,.9) 50%, transparent 55%),
        radial-gradient(1.5px 1.5px at 50% 40%, rgba(160,160,160,.9) 50%, transparent 55%),
        radial-gradient(2.5px 2.5px at 70% 80%, rgba(190,190,190,.9) 50%, transparent 55%),
        radial-gradient(1px 1px at 90% 30%, rgba(150,150,150,.9) 50%, transparent 55%);

    background-size: 200px 200px;
    animation: snow-fall 18s linear infinite;
    filter: drop-shadow(0 0 2px rgba(0,0,0,0.25));
}

.snow::after {
    background-size: 300px 300px;
    animation-duration: 28s;
    opacity: 0.6;
}

@keyframes snow-fall {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(50%);
    }
}

.snowToggle {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 3000;
    background: var(--blue);
    color: var(--white);
    border: 1px solid var(--orange);
    border-radius: 30px;
    padding: 8px 18px;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0,0,0,.25);
}

.snowToggle:hover {

    color: var(--blue);
}