.cluster rect {
  fill: transparent;
}

.edgePath path {
  stroke: black;
}

.node rect {
  fill: transparent;
  stroke: black;
}

.prototype {
  font-family: 'Courier New', Courier, monospace;
  font-size: x-small;
  text-align: center;
}

.name {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: x-small;
  text-align: center;
}

foreignObject {
  pointer-events: none;
}