.bar {
  fill: steelblue;
}

.bar:hover {
  fill: brown;
}

.axis {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.x.axis path {
  display: none;
}

path.slice{
	stroke-width:2px;
}
polyline{
	opacity: .3;
	stroke: black;
	stroke-width: 2px;
	fill: none;
} 
svg text.percent{
	fill:white;
	text-anchor:middle;
	font-size:12px;
}