.content-node .formula_reference {
  background: rgba(145, 187, 4, 0.15);
  border-bottom: 1px solid rgba(145, 187, 4, 0.8);
  color: #495A11;
  cursor: pointer;
}

.content-node .formula_reference:hover {
  background-color: rgba(145, 187, 4, 0.35);
}

.content-node .formula_reference.active {
  background: rgba(145, 187, 4, 0.7);
}

span.annotation.formula_reference {
  padding-left: 3px; padding-right: 3px;
}

.MathJax_Display.zoomable {
  cursor: zoom-in;
}

.MathJax_Display .math {
  /* work around to compensate for scrollbar size on most platforms */
  padding-top: 10px;
  padding-bottom: 10px;
}