/* Keep every source cover inside its course-card frame. */
.course-cover.has-cover {
  isolation: isolate;
  min-height: 0;
  aspect-ratio: 3 / 4;
}

.course-cover.has-cover .course-cover-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  object-position: center;
}

.course-cover.has-cover::before,
.course-cover.has-cover::after {
  z-index: 1;
}