.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 3px;
}

.node text { font: 12px calibri; }

.node .text-value{
  font: 22px calibri;
  font-weight: 100
}

.node .text-name{
  font: 13px calibri;
  fill: white
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 2px;
  stroke-dasharray: 2,5; 
}