body::after {
    content: "";
    background: url("/static/img/netz-in-weiss-oben.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-attachment: fixed;
    opacity: 0.25;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    position: absolute;
    z-index: -1;   
}

.bg-dark {
    background-color: #001d32!important;
}

.bg-light {
    background-color: #ffffff!important;
}

.text-light {
    color: #e0e6ec!important;
}

a {
    color: #aec0d2;
    text-decoration: underline;
}