.d3-axis text {
  font: 14px sans-serif;
}

.d3-axis path,
.d3-axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.grid .tick {
    stroke: lightgrey;
    stroke-opacity: 0.7;
    shape-rendering: crispEdges;
}
.grid path {
          stroke-width: 0;
}

.d3-title {
  font: 20px sans-serif;
  font-weight: bold;
}


.d3-axis-white text {
  font: 28px sans-serif;
  fill: white;
}

.d3-axis-white path,
.d3-axis-white line {
  fill: none;
  stroke: white;
  shape-rendering: crispEdges;
}