#observed-us-temperature-change .legend{background-image:url(img/legend.png)}#observed-us-temperature-change .map-type-3 .region.alaska{background-image:url(img/alaska_on.png)}#observed-us-temperature-change .overlay.alaska .chart{background-image:url(img/charts/alaska.png)}#observed-us-temperature-change .overlay.northwest .chart{background-image:url(img/charts/northwest.png)}#observed-us-temperature-change .overlay.southwest .chart{background-image:url(img/charts/southwest.png)}#observed-us-temperature-change .overlay.hawaii .chart{background-image:url(img/charts/hawaii.png)}#observed-us-temperature-change .overlay.great-plains-north .chart{background-image:url(img/charts/great-plains-north.png)}#observed-us-temperature-change .overlay.great-plains-south .chart{background-image:url(img/charts/great-plains-south.png)}#observed-us-temperature-change .overlay.midwest .chart{background-image:url(img/charts/midwest.png)}#observed-us-temperature-change .overlay.northeast .chart{background-image:url(img/charts/northeast.png)}#observed-us-temperature-change .overlay.southeast .chart{background-image:url(img/charts/southeast.png)}#observed-us-temperature-change .overlay.us-average .chart{background-image:url(img/charts/us-average.png)}