.grid {
  stroke: #9A8B7A;
  stroke-width: 1px;
  fill: #CF7D1C;
}
.arc {
  stroke: #9A8B7A;
  fill: none;
}
.node {
  fill: #EBD8C1;
  stroke: #9A8B7A;
  stroke-width: 1px;
}
text {
  font-size: 8px;
}
circle.active {
  fill: #FE9922;
}
path.active {
  stroke: #FE9922;
}