/* Required article-cover contract: every viewport uses a readable 4:3 crop. */
.article-hero img,
.article > figure.cover > img,
.article .cover,
.article-copy > figure.cover > img,
.article-head + figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}