#particles-js {
    background-color: #000;
    position: absolute;
    /* z-index: 50; */
    width: 100%;
    height: 459px;
    padding: 1px 0;

    /* top: 0; */
}
@media only screen and (max-width: 600px) {
    #particles-js{
        height: 400px;

    }
}