.leaflet-control-defaultextent{}.leaflet-control-defaultextent-toggle{text-indent:-9999px;white-space:nowrap;background-image:url('leaflet.defaultextent.png');width:26px;height:26px;display:block;}@media only screen and (-Webkit-min-device-pixel-ratio:1.5),only screen and (-moz-min-device-pixel-ratio:1.5),only screen and (-o-min-device-pixel-ratio:3/2),only screen and (min-device-pixel-ratio:1.5){.leaflet-control-defaultextent-toggle{background-image:url('leaflet.defaultextent@2X.png');background-size:26px 26px;background-repeat:no-repeat;}}