.rotate90 {
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  -o-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}

.box {
  stroke-width: 2;
  fill: none;
  stroke: red;
}
.label {
  font-size: 12px;
  fill: white;
  text-anchor: middle;
}
.label-rect {
  fill: black;
}