style.css

body {
  font-family: Arial, sans-serif;
  background-color: #fff;
  color: #000;
  font-size: 15px;
  margin: 0;
}

div#graph {
  border: solid #d9d8d1;
  border-width: 1px;
  margin: 10px;
}

.tooltip p {
  font-size: .9em;
  border-radius: 5px;
  border: 1px solid black;
  background-color: white;
  padding: 2px;
}

div#controls, div.legend, div#information {
  position: fixed;
  padding: 4px;
  border: 1px solid #d9d8d1;
  border-radius: 5px;
  background-color: rgb(255, 255, 255);
  background-color: rgba(255, 255, 255, .8);
}

div#controls ul {
  margin: 0;
}

div.legend ul {
  padding: 0;
  margin: 0;
  list-style-type: none;
}

div.legend ul li {
  margin: 0;
  padding: 0;
}

div.legend {
  bottom: 15px;
  left: 15px;
}

div#controls {
  top: 15px;
  left: 15px;
}

div#information {
  width: 500px;
  top: 50px;
  left: 15px;
}

div#information p {
  margin: 0;
}

div#information blockquote.rendered {
  margin-left: 0;
  margin-right: 0;
}

.named {
  stroke-width: 1.5px;
  stroke: black;
}

#root {
  stroke-width: 2px;
  stroke-dasharray: 2, 2;
  stroke: black;
}