canvas#corpus-map {
  position: absolute;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  top: 0;
  left: 0;
  z-index: 0; }
  canvas#corpus-map.de-activated {
    background-color: #f4f4f4; }

div.node-popup {
  z-index: 10;
  position: absolute;
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
  width: 300px;
  min-height: 30px;
  pointer-events: none;
  top: 60%;
  left: 30%;
  pointer-events: none; }
  div.node-popup .inner {
    padding: 1em;
    outline: 1px solid red;
    background-color: white; }
  div.node-popup:before {
    content: "";
    position: absolute;
    width: 60px;
    height: 0;
    border-top: 1px solid red; }
  div.node-popup[pos="bottom-right"] {
    -webkit-transform: translateY(42px) translateX(42px);
    transform: translateY(42px) translateX(42px); }
    div.node-popup[pos="bottom-right"]:before {
      top: -1px;
      left: -61px;
      -webkit-transform-origin: bottom right;
      transform-origin: bottom right;
      -webkit-transform: rotateZ(45deg);
      transform: rotateZ(45deg); }
  div.node-popup[pos="bottom-left"] {
    -webkit-transform: translateX(-100%) translateY(42px) translateX(-42px);
    transform: translateX(-100%) translateY(42px) translateX(-42px); }
    div.node-popup[pos="bottom-left"]:before {
      top: calc(100% +1px);
      left: 100%;
      -webkit-transform-origin: top left;
      transform-origin: top left;
      -webkit-transform: rotateZ(-45deg);
      transform: rotateZ(-45deg); }
  div.node-popup[pos="top-left"] {
    -webkit-transform: translateY(-100%) translateX(-100%) translateY(-42px) translateX(-42px);
    transform: translateY(-100%) translateX(-100%) translateY(-42px) translateX(-42px); }
    div.node-popup[pos="top-left"]:before {
      bottom: 0;
      left: 100%;
      -webkit-transform-origin: top left;
      transform-origin: top left;
      -webkit-transform: rotateZ(45deg);
      transform: rotateZ(45deg); }
  div.node-popup[pos="top-right"] {
    -webkit-transform: translateY(-100%) translateY(-42px) translateX(42px);
    transform: translateY(-100%) translateY(-42px) translateX(42px); }
    div.node-popup[pos="top-right"]:before {
      top: calc(100% + 1px);
      left: -61px;
      -webkit-transform-origin: top right;
      transform-origin: top right;
      -webkit-transform: rotateZ(-45deg);
      transform: rotateZ(-45deg); }