/*
style definitions for visualization - in this case empty
*/
.node rect {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1px;
}

.node text {
  font: 12px sans-serif;
}

.node .small {
  font: 8px sans-serif;
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 2px;
}

.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1px;
}