.ps-emoticon {
  width: 20px;
  min-width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: top;
  background-image: url("../images/moods/emo.png");
}

.ps-postbox .ps-emoticon {
  vertical-align: top;
}

.ps-post .ps-emoticon {
  vertical-align: bottom;
}

@media(-webkit-min-device-pixel-ratio:1.5),
(min--moz-device-pixel-ratio:1.5),
(-o-min-device-pixel-ratio:3/2),
(min-resolution:1.5dppx) {
  .ps-emoticon {
    background-image: url("../images/moods/emo@2x.png");
    background-size: 140px 180px;
  }
}