.code4sa text {
  font: 10px sans-serif;
  fill: #444;
  pointer-events: none;
}
.code4sa circle {
  cursor: pointer;
}
.code4sa div.tooltip {
  position: absolute;
  text-align: center;
  width: auto;
  height: auto;
  padding: 10px;
  font: 12px sans-serif;
  background: #DDD;
  border: 1px #AAA solid;
  border-radius: 5px;
  pointer-events: none;
}
.code4sa #publications {
  font-size: 10pt;
}