.pie-chart .slice text {
  font: 9px sans-serif;
}

.pie-chart .filling:hover {
  fill: brown;
}

.pie-chart .filling.drill:hover {
    cursor: pointer;
}

.pie-chart .legend.name {
  font: 9px sans-serif;
}

.pie-chart .tooltip {
	position: relative;
	text-align: center;
    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;
}