.marker-cluster.marker-cluster-small,
.marker-cluster.marker-cluster-small div,
.marker-cluster.marker-cluster-medium,
.marker-cluster.marker-cluster-medium div,
.marker-cluster.marker-cluster-large,
.marker-cluster.marker-cluster-large div {
    background-color: rgba(61, 145, 206, 0.60);
    color: #ffffff;
}