.leaflet-center {
  position: relative !important;
  left: 0;
  right: 0;
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.leaflet-center .leaflet-control {
  bottom: 0;
}

.leaflet-control-container .leaflet-control-bottomcenter {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}