[atnum-graphe] {
  padding: 10px;
}
[atnum-graphe] path {
  vector-effect: non-scaling-stroke;
  stroke-width: 1px;
}
[atnum-graphe] path.aireBleue {
  fill: dimgray;
}
[atnum-graphe] line {
  stroke: black;
  stroke-width: 1;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}
[atnum-graphe] line.yTicks {
  stroke: crimson;
  stroke-dasharray: 4 3;
  stroke-linejoin: round;
  stroke-opacity: .4;
}
[atnum-graphe] text {
  fill: black;
  stroke-width: 1px;
  font-weight: 100;
  font-family: Arial;
}