/* Empty placements have zero block height. The remote iframe reserves its own size. */
.fdn-wag-slot {
  display: flow-root;
  min-inline-size: 0;
  max-inline-size: 100%;
  padding-block: 0;
}
.fdn-wag-slot:has(> iframe:not([hidden])) { margin-block: 1rem; }
.fdn-wag-slot > iframe { max-inline-size: 100%; margin-inline: auto; }
.fdn-wag-slot > iframe[hidden] { display: none !important; }