body {
  overflow: hidden;
  margin: 0;
  font-size: 14px;
  font-family: "Helvetica Neue", Helvetica;
}

rect {
  fill: none;
  pointer-events: all;
}

pre {
  font-size: 18px;
}

line {
  stroke: #000;
  stroke-width: 1.5px;
}