.bg-overlay {
    background-color: #000;
    opacity: 0.7;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}



#particles-js {
    z-index: 1 !important;
    position: absolute;
    width: 100%;
    height: 100%;
}