body {
  background-color: #adff2f;
  color: black;
  font-family: Verdana;
}

#graph-container {
  width: 100%;
  height: 900px;
  background-color: black;
  margin: 20px 0;
}

.tooltip {
  position: absolute;
  padding: 8px;
  background: rgba(72, 255, 0, 0.486);
  color: white;
  border-radius: 4px;
  pointer-events: none;
  font-size: 14px;
  max-width: 200px;
  z-index: 10;
  display: none;
}



.node.article circle {
  fill: #F51FFF;
}

node.category circle {
  fill: #ff00c8;
}

.link {
  stroke:white;
  stroke-opacity: 0.6;
}

.node text {
  fill: yellowgreen;
  font-size: 10px;
  pointer-events: none;
}