.leaflet-control-fullscreen a {
   background: #fff url(https://cdn.hellovillam.com/HelloVillam/UI/Plugins/maps/fullscreen.png) no-repeat 0 0;
   background-size: 26px 52px;
}
.leaflet-touch .leaflet-control-fullscreen a {
   background-position: 2px 2px;
}
.leaflet-fullscreen-on .leaflet-control-fullscreen a {
   background-position: center top;
}
.leaflet-touch.leaflet-fullscreen-on .leaflet-control-fullscreen a {
   background-position: 2px -24px;
}

/* Do not combine these two rules; IE will break. */
.leaflet-container:-webkit-full-screen {
   width: 100% !important;
   height: 100% !important;
}
.leaflet-container.leaflet-fullscreen-on {
   width: 100% !important;
   height: 100% !important;
}

.leaflet-pseudo-fullscreen {
   position: fixed !important;
   width: 100% !important;
   height: 100% !important;
   top: 0 !important;
   left: 0 !important;
   z-index: 99999;
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
   .leaflet-control-fullscreen a {
      background-image: url(https://cdn.hellovillam.com/HelloVillam/UI/Plugins/maps/fullscreen.png);
   }
}