.thumb {
  width: 96px;
  height: 128px;
  flex-basis: 96px;
  background-color: #edf2ef;
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  border: 1px solid var(--line);
}

@media (max-width: 420px) {
  .thumb {
    width: 100%;
    height: 290px;
    background-size: contain;
  }
}