.post-cover {
  display: block;
  width: calc(100% + 54px);
  height: 172px;
  margin: -27px -27px 27px;
  border-bottom: 1px solid var(--line);
  object-fit: cover;
  object-position: center;
}

@media (max-width: 760px) {
  .post-cover {
    height: 160px;
  }
}