.links {
  stroke: rgba(255,255,255,0.7);
}


.nodes:hover{
  cursor: pointer;
}

svg{
  border: 1px dashed black;
  position: absolute;
  top:50%; left: 50%;
  transform: translate(-50%,-50%);
}
body{
  background-color: rgba(0,0,0,0.8);
}

footer{
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  background-color: black;
  color: white;
  font-family: courier;
  padding: 0.5vmin 10px;
  text-align: right;
  cursor: default;
  font-size: 1.5vmin;
}

header{
  position: absolute;
  top: 0;
  left: 0; right: 0;
  background-color: black;
  color: white;
  font-family: courier;
  font-size: 1.5vmin;
  padding: 0.5vmin 10px;
  text-align: left;
  cursor: default;
}

footer a{
  text-decoration: none;
  color:gold;
}