div.cluster-display {
    position: absolute;
    cursor: pointer;
    width: 49px;
    height: 36px;
    background: url(/static/img/map-icons/cluster/image.png) no-repeat center;
}

div.cluster-display > div {
  color: #FFF;
  font-size: 20px;
  font-weight: bold;
  position: relative;
  top: 10px;
  width: 25px;
  text-align: center;
  margin: 0 auto;
}

div.cluster-shadow {
    position: absolute;
    width: 67px;
    height: 36px;
    background: url(/static/img/map-icons/cluster/shadow.png) no-repeat center;
}

div.cluster-target {
    position: absolute;
    cursor: pointer;
    width: 49px;
    height: 36px;
    background-image: url(/static/img/map-icons/cluster/transparent.png);
}