@media (max-width: 700px) {
  .playlist-track { flex-wrap: wrap; }
  .playlist-track-main { flex-basis: calc(100% - 126px); }
  .playlist-track-manage { display: flex; width: 100%; justify-content: flex-end; border-top: 1px solid #ffffff18; padding-top: 8px; }
  .playlist-track-manage button { min-width: 34px; }
}