body {
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  font-size: 12px;
  color: #333;
  margin: 10px;
}

svg {
  border: 1px solid #eee;
}

.map path {
  fill: #87b687;
  stroke: #777;
}

.projection-center {
  fill: red;
}

.graticule path {
  fill: none;
  stroke: #eee;
}

.circles path {
  fill: none;
  stroke: #aaa;
}