.rectBackground {
  fill: #efefef;
  stroke: #000;
  stroke-width: 2px;
}

.link {
  fill: none;
  stroke: #666;
  stroke-width: 1.5px;
}

.link.selected {
  stroke: #0ff;
}

#selectedLink {
  fill: #0ff;
}

.node {
  stroke: #000;
  stroke-width: 1px;
}

.node.selected {
  stroke: #0ff;
  stroke-width: 2px;
}

.node.clicked {
  stroke: #00f;
  stroke-width: 8px;
}

.tick text {
  font-size: 16px;
}

rect {
  stroke: #000;
  stroke-width: 0.5px;
}

rect.selected {
  stroke: #0ff;
  stroke-width: 2px;
}