.bar       { fill: steelblue; }
.bar:hover { fill: brown;}
.axis      { font: sans-serif; font-size: 0.8em;}
.axis path,
.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
}
text.count { fill: steelblue; font-size: 0.8em; }