.node rect, .node circle, .node polygon
{
  cursor: pointer;
  fill: #ffffff;
  fill-opacity: 1;
  stroke: #333333;
  stroke-width: 1px;
}

g:hover > polygon[fill="magenta"]{
  cursor: pointer;
  stroke-width:8px !important;
}
g:hover > polygon[fill="white"]{
  stroke-width:8px !important;
}

.node text
{
  font: 10px sans-serif;
  pointer-events: none;
}