body {
  margin: 0;
  text-align: center;
  font-family: Sans-serif;
}

#ipv6-chart { display: inline-block; }

.hilbert-canvas {
  cursor: crosshair;
}

#range-tooltip {
  margin-top: -55px !important;
}

#ipv6-chart rect {
  opacity: 0.01;
  fill: darkblue;
}

#ipv6-chart .hilbert-segment > text {
  opacity: .3;
}

#color-legend .label {
  font-size: 9px;
}

#color-legend .legendTitle {
  font-size: 14px;
  fill: slategrey;
}