d3/examples/voronoi/voronoi.css

A small, free JavaScript library for manipulating documents based on data.

svg {
  border: solid 1px #666;
  overflow: hidden;
}

path {
  fill: yellow;
  stroke: #000;
  stroke-width: .5px;
}

circle {
  fill: #ccc;
  stroke: #000;
  pointer-events: none;
}