.leaflet-cluster-anim .leaflet-marker-icon,.leaflet-cluster-anim .leaflet-marker-shadow {
    -webkit-transition: -webkit-transform .3s ease-out,opacity .3s ease-in;
    -moz-transition: -moz-transform .3s ease-out,opacity .3s ease-in;
    -o-transition: -o-transform .3s ease-out,opacity .3s ease-in;
    transition: transform .3s ease-out,opacity .3s ease-in
}

.leaflet-cluster-spider-leg {
    -webkit-transition: -webkit-stroke-dashoffset .3s ease-out,-webkit-stroke-opacity .3s ease-in;
    -moz-transition: -moz-stroke-dashoffset .3s ease-out,-moz-stroke-opacity .3s ease-in;
    -o-transition: -o-stroke-dashoffset .3s ease-out,-o-stroke-opacity .3s ease-in;
    transition: stroke-dashoffset .3s ease-out,stroke-opacity .3s ease-in
}