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

#map {
  width: 100%;
  height: 100%;
}

/* === Leaflet.draw vertex style override === */
.leaflet-div-icon {
  background: #2196f3 !important;   /* vertex color */
  border: 2px solid #ffffff !important;
  border-radius: 50% !important;    /* circle instead of square */
  width: 8px !important;            /* size */
  height: 8px !important;
  margin-left: -4px !important;
  margin-top: -4px !important;
  box-shadow: 0 0 2px rgba(0,0,0,0.6);
}