.article-ad[hidden] { display: none !important; }
.article-ad {
  margin: 3.5rem auto;
  padding: 1.25rem 0;
  border-block: 1px solid var(--border-color, #dedbd3);
  width: 100%;
  clear: both;
}
.article-ad-label {
  margin: 0 0 .75rem;
  text-align: center;
  color: var(--text-muted, #68645e);
  font-size: .75rem;
  letter-spacing: .1em;
}
.article-ad-preview {
  display: grid;
  place-items: center;
  min-height: 100px;
  max-width: 728px;
  margin-inline: auto;
  padding: .75rem;
  box-sizing: border-box;
  border: 1px dashed #b5afa5;
  background: #f2f0ea;
  color: #59554f;
  text-align: center;
  font-size: .875rem;
}
.article-ad-slot { width: 100%; min-width: 0; }