/* Basis */
.side-ad-fixed {
    position: fixed;
    width: 160px;
    z-index: 1000;
}

#sideAdLeft {
    left: 10px;
}

.side-ad-inner {
    width: 160px;
}

.ad-box {
    width: 160px;
    min-height: 600px;
    text-align: center;
    padding: 10px;
}

/* ab großer Desktop-Breite sichtbar + rechts am Content-Rand */
@media (min-width: 1701px) {
    #sideAdRight {
        right: calc((100% - 1170px) / 2 - 180px);
    }
}

/* sehr große Screens */
@media (min-width: 1900px) {
    .side-ad-fixed,
    .side-ad-inner,
    .ad-box {
        width: 300px;
    }

    #sideAdRight {
        right: calc((100% - 1170px) / 2 - 220px);
    }
}

/* kleine Screens -> ausblenden */
@media (max-width: 1700px) {
    .side-ad-fixed {
        display: none;
    }
}