popsu-d7/sites/all/modules/media_archive/media_archive.wysiwyg.css

/**
 *  @file
 *  Overlay for Archive thumbnails in the media library browser.
 */
#media-browser .styles-container-media_archive {
  /* Relative wrapper for the overlay. */
  position: relative;
}
#media-browser .styles-container-media_archive span {
  /* Here's the overlay image. */
  background: url(images/stream-archive.png) no-repeat;

  /* Absolute positioning in the relative wrapper creates the overlay. */
  position: absolute;

  /* Size of the overlay */
  width: 69px;
  height: 22px;

  /* Position of the overlay */
  left: 33px;
  top: 80px;
}
#media-browser .styles-container-media_archive span:hover {
  /* The  */
  background-position: 0px -22px;
}
#media-browser .styles-container-media_archive img {
}