.marker-cluster-small {
  background-color: rgba(0, 0, 0, 0.2);
}

.marker-cluster-small div {
  background-color: rgba(255, 255, 255, 0.8);
}

.marker-cluster-medium {
  background-color: rgba(0, 0, 0, 0.2);
}
.marker-cluster-medium div {
  background-color: rgba(255, 255, 255, 0.8);
}

.marker-cluster-large {
  background-color: rgba(0, 0, 0, 0.2);
}
.marker-cluster-large div {
  background-color: rgba(255, 255, 255, 0.8);
}

/* IE 6-8 fallback colors */
.leaflet-oldie .marker-cluster-small {
  background-color: rgb(181, 226, 140);
}
.leaflet-oldie .marker-cluster-small div {
  background-color: rgb(110, 204, 57);
}

.leaflet-oldie .marker-cluster-medium {
  background-color: rgb(241, 211, 87);
}
.leaflet-oldie .marker-cluster-medium div {
  background-color: rgb(240, 194, 12);
}

.leaflet-oldie .marker-cluster-large {
  background-color: rgb(253, 156, 115);
}
.leaflet-oldie .marker-cluster-large div {
  background-color: rgb(241, 128, 23);
}

.marker-cluster {
  background-clip: padding-box;
  border-radius: 20px;
}

.marker-cluster div {
  width: 30px;
  height: 30px;
  margin-left: 5px;
  margin-top: 5px;
  text-align: center;
  border-radius: 15px;
  font: 14px 'Helvetica Neue', Arial, Helvetica, sans-serif;
  font-weight: bold;
}

.marker-cluster span {
  line-height: 30px;
}