marker = L.marker()
  .setLatLng([lat, lng])
  .setIcon(L.divIcon({
    className: className ? `div-icon ${className}` : 'div-icon',
    iconSize: L.point(x, y),
    html: html,
    iconAnchor: null
  }))
  .bindPopup(popupContent, {
    autoClose: false,
    autoPan: false,
    className: className,
    closeButton: false
  });