/* Amazon Cloud Player tweak */
@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document url-prefix("https://www.amazon.co.jp/gp/dmusic/cloudplayer/") {
  .recFooter, .bucket .title,
  .currentSongActions, .optionCell > a, .actionButtons > a[href*="#remove"],
  #accountOptions .setting {
    display: none !important;
  }

  .countText          { display: none !important; }
  .countNumber::after { content: " song(s)" }

  #nowPlayingSection .timer { font-size: 2.2rem !important; top: -2.8rem !important; }
  #currentDuration          { font-size: 2.8rem !important; font-weight: bold !important; }
}

/* Amazon Cloud Player tweak */
@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document url-prefix("https://www.amazon.co.jp/gp/dmusic/cloudplayer/") {
  .recFooter,                             /* Not interested */
  .recDescription > span[action="buy"],   /* Buy */
  #optionPanel li:nth-last-of-type(-n+2), /* Share */
  .headerActions > .grey,                 /* Delete */
  .ractiveContextMenu > li:nth-child(3)   /* Remove from library */
  {
    display: none !important;
  }

  .listViewDuration {
    font-weight: 300 !important;
    font-size: 1.8rem !important;
  }
}

Support major design update of Amazon Cloud Player
Support major design update of Amazon Cloud Player
