body {
  background-color: #0f444c;
}

.chartist-tooltip {
  opacity: 0;
  position: absolute;
  margin: 20px 0 0 10px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 5px 10px;
  border-radius: 4px;
}

.chartist-tooltip.tooltip-show {
  opacity: 1;
}

.ct-zoom-rect {
  fill: rgba(200, 100, 100, 0.3);
  stroke: red;
}