.leaflet-control-sidemenu a {
  background:#fff url('images/burgers.png') no-repeat 0 0;
  background-size:26px 26px;
  }
.leaflet-touch .leaflet-control-sidemenu a {
  background-position: 2px 2px;
  }

/* .leaflet-control-sidemenu-close a {
  background:#fff url('images/close.png') no-repeat 0 0;
  background-size:26px 26px;
  }
.leaflet-touch .leaflet-control-sidemenu-close a {
  background-position: 2px 2px;
  } */

.leaflet-sidemenu {
    position: absolute;
    background-color: rgba(250, 250, 250, 255);
    overflow: auto;
    cursor: default;
    z-index: 9999;
    padding: 5px;
}

.leaflet-sidemenu-contents {
}

@media
  (-webkit-min-device-pixel-ratio:2),
  (min-resolution:192dpi) {
    .leaflet-control-sidemenu a {
      background-image: url('images/burgers@2x.png');
    }
    /* .leaflet-control-sidemenu-close a {
      background-image: url('images/close@2x.png');
    } */
  }