/* Standard: Volle Breite (falls kleiner als 655px) */
.desktop_header_ad {
  max-width: 100%;
  height: 250px;
  margin: 0 auto;
}

.desktop_content_ad {
  max-width: 100%;
  height: 250px;
  margin: 0 auto;
}

/* 655–824 px */
@media (min-width: 655px) and (max-width: 824px) {
  .desktop_header_ad {
    max-width: 468px;
	height: 250px;
  }
  .desktop_content_ad {
    max-width: 300px;
	height: 250px;
  }
}

/* 825–1084 px */
@media (min-width: 825px) and (max-width: 1084px) {
  .desktop_header_ad {
    max-width: 728px;
	height: 250px;
  }
  .desktop_content_ad {
    max-width: 468px;
	height: 250px;
  }
}

/* 1085–1334 px */
@media (min-width: 1085px) and (max-width: 1334px) {
  .desktop_header_ad {
    max-width: 970px;
	height: 250px;
  }
  .desktop_content_ad {
    max-width: 728px;
	height: 250px;
  }
}

/* ab 1335 px */
@media (min-width: 1335px) {
  .desktop_header_ad,
  .desktop_content_ad {
    max-width: 970px;
	height: 250px;
  }
}