.column-chart .bar:hover {
  fill: brown;
}

.column-chart .bar.drill:hover {
    cursor: pointer;
}

.column-chart .axis-title {
  font: 15px sans-serif;
}

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

.column-chart .legend.name {
  font: 12px sans-serif;
}

.column-chart .confidence {
    stroke: #000;
}

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

.column-chart .tooltip {
	position: absolute;
	text-align: left;
    width: auto;
    background:silver;
    border:1px solid black;
    border-radius:5px 5px 5px 0;
    font-size:10px;
    font-family:sans-serif;
    padding:4px;
    color:black;
    opacity:0;
    display: inline-block;
}