.node {
  cursor: pointer;
  /*stroke: #3182bd;*/
  stroke-width: 1.5px;
}

.node circle{
  stroke: #3182bd;
}

.link {
  fill: none;
  stroke: #9ecae1;
  stroke-width: 1.5px;
}

.node text {
  color: black;
  font-family: sans-serif;
  font-size: 12px;
  stroke-width: 1px;
}

.labelText {
  color: grey;
  font-family: sans-serif;
  font-size: 10px;
  stroke-width: 1px;
}

.node.fixed{
  fill: #f00;
}