style.css

path { 
    stroke: steelblue;
    stroke-width: 2;
    fill: none;
}

#canvas-svg path{
    stroke: none;
}

.axis path,
.axis line {
    fill: none;
    stroke: grey;
    stroke-width: 1;
    shape-rendering: crispEdges;
}

.legend {
    font-size: 16px;
    font-weight: bold;
    text-anchor: middle;
}

body {
  font: 12px Arial;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  width: 960px;
  height: 500px;
  position: relative;
}

#canvas {
}

#canvas-svg {
}


.land {
  fill: #222;
}

.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: 1px;
}

#tooltip-container {
  position: absolute;
  background-color: #fff;
  color: #000;
  padding: 10px;
  border: 1px solid;
  display: none;
}

.tooltip_key {
  font-weight: bold;
}

.tooltip_value {
  margin-left: 20px;
  float: right;
}

/* mouse tracker*/
.focus line {
  stroke: #E6E7E8;
  stroke-width: 1px;
}

/*zoom*/
.background {
  fill: none;
  pointer-events: all;
}

#states {
  fill: #aaa;
}

#states .active {
  fill: orange;
}

p {
    font-size: 16px;
    line-height: 28px;
}

ul {
    font-size: 16px;
}