svg .node polygon {
  fill: none;
  stroke: rgb(99, 99, 99);
  stroke-width: 2;
  filter: url(#squiggle);
}

svg .graph > polygon {
  stroke: none;
}

svg text {
  font-family: 'Cabin Sketch', cursive;
}

svg .node > g > a:hover > polygon {
  stroke: blue;
  fill: #eef;
}

svg .edge:hover > path {
  stroke: blue;
}
svg .edge:hover > polygon {
  stroke: blue;
  fill: blue;
}