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

.x.axis path {
  display: none;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 4px;
}
.overlay {
  fill: none;
  pointer-events: all;
}

.focus circle {
  fill: none;
  stroke: steelblue;
}
div.tooltip {
  position: absolute;
  text-align: center;
  min-width: 60px;
  min-height: 28px;
  padding: 6px;
  font: 12px sans-serif;
  font-weight:bold;
  background: rgba(142,142,142,0.48);
  border: 0px;
  border-radius: 3px;
  pointer-events: none;
}

.labelClass {
  font-size: 16px;
  color: #fff;
}
.elementsLabel {
  font-size: 16px;
  color: #fff;
}
.legend {
  list-style: none;
  padding-left: 0;
}