body {
    margin: 0;
    padding: 0;
    background-image:
        linear-gradient(to bottom,
            rgba(0, 0, 0, 0.75) 0%,
            rgba(30, 10, 0, 0.25) 40%,
            rgba(30, 10, 0, 0.25) 60%,
            rgba(0, 0, 0, 0.75) 100%,
            transparent 100%),
        url('../assets/images/map.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.neve {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(white 1px, transparent 2px),
        radial-gradient(white 1px, transparent 2px),
        radial-gradient(white 2px, transparent 3px);
    background-size: 550px 550px, 350px 350px, 250px 250px;
    animation: snow 10s linear infinite;
}

@keyframes snow {
    0% {
        background-position: 0px 0px, 0px 0px, 0px 0px;
    }

    100% {
        background-position: 500px 1000px, 400px 400px, 300px 300px;
    }
}