html, body, #map {
  height: 100%;
  margin: 0;
}

#map {
  background: #212426;   /* gris oscuro */
}

.player-marker {
  position: relative;
  width: 16px;           /* = DISC_DIAMETER */
  height: 16px;
  border: 3px solid #fff;
  border-radius: 50%;
  overflow: hidden;      /* evita que el halo sobresalga */
}

.leaflet-control-attribution {
    display: none;
}