*,*::after,*::before {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -ms-box-sizing:border-box;
    -moz-box-sizing: border-box;
}
/* .snow_wrap {
    height: 100vh;
    width: 100%;
    background: url("https://source.unsplash.com/5867BKGyCu4/2400x1600");
    background-size: cover;
    background-position: center bottom;
    position: relative;
    overflow: hidden;
} */
.snow,.snow:after,.snow::before {
    content: '';
    position: absolute;
    top: -500px;
    right: 0;
    bottom: 0;
    left: 0;
    /* background-image: radial-gradient(4px 4px at 100px 50px,#fff,transparent),
                      radial-gradient(6px 6px at 200px 150px, #fff,transparent),
                      radial-gradient(3px 3px at 300px 250px,#fff,transparent),
                      radial-gradient(4px 4px at 400px 350px,#fff,transparent),
                      radial-gradient(8px 6px at 500px 100px,#9fbef9,transparent),
                      radial-gradient(3px 3px at 50px 200px,#fff,transparent),
                      radial-gradient(4px 4px at 150px 300px,#fff,transparent),
                      radial-gradient(8px 6px at 250px 400px,#9fbef9,transparent),
                      radial-gradient(3px 3px at 350px 500px,#fff,transparent),
                      radial-gradient(6px 4px at 550px 550px,#fff,transparent); */
    background-image: radial-gradient(4px 4px at 100px 50px,#fff,transparent),
                      radial-gradient(6px 6px at 200px 150px, #fff,transparent),
                      radial-gradient(3px 3px at 300px 250px,#fff,transparent),
                      radial-gradient(4px 4px at 400px 350px,#fff,transparent),
                      radial-gradient(8px 6px at 500px 100px,#9fbef9,transparent),
                      radial-gradient(3px 3px at 50px 200px,#fff,transparent),
                      radial-gradient(4px 4px at 150px 300px,#fff,transparent),
                      radial-gradient(8px 6px at 250px 400px,#9fbef9,transparent),
                      radial-gradient(3px 3px at 350px 500px,#fff,transparent),
                      radial-gradient(6px 4px at 550px 550px,#fff,transparent);                  
                      
     background-size: 500px 500px;
    animation: SnowAnim 10s linear infinite;
}
.snow:after {
    margin-left: -250px;
    opacity: 0.5;
    filter: blur(3px);
    animation-direction: reverse;
    animation-duration: 12s;
}
.snow::before {
    margin-left: -350px;
    opacity: 0.7;
    filter: blur(1px);
    animation-direction: reverse;
    animation-duration: 13s;
}
@keyframes SnowAnim {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(500px);
    }
}