.snow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    overflow: hidden;
}

.flake {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(180deg, transparent 30%, white 50%, white 60%, transparent 60%), linear-gradient(90deg, transparent 30%, white 50%, white 60%, transparent 60%), linear-gradient(45deg, transparent 33%, white 53%, white 57%, transparent 65%), linear-gradient(135deg, transparent 33%, white 53%, white 57%, transparent 65%);
    animation-name: flakes;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

@keyframes flakes {
    to {
        transform: translateY(110vh) rotateX(40deg) rotateY(40deg);
        opacity: 0;
    }
}