File: public/flat-admin/sass/plugins/maps.scss

#map1,#map2,#map3,#map4{
	height:400px;

	img{
		max-width:none;
	}
}

.cluster{
	text-align:center;
	font-weight:bold;
	color:#fff;
	cursor:pointer;

	&.cluster-1{
		background: url(http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/images/m1.png);
		width: 53px;
		height: 52px;
		line-height:52px;
	}
	&.cluster-2{
		background: url(http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/images/m2.png);
		width: 56px;
		height: 55px;
		line-height:55px;
	}
	&.cluster-5{
		background: url(http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/images/m3.png);
		width: 66px;
		height: 65px;
		line-height:65px;
	}
}