body {
 font-family: sans-serif;
}

svg {
  margin-top:  10px;
  margin-left: 50px;
}

.line {
  stroke-width: 1;
  fill: none;
}

.thickline {
  stroke-width: 2;
  fill: none;
}

text {
 font-family: sans-serif;
 font-size: 11pt;
 dominant-baseline: middle;
 text-anchor: middle;
}

.outerBox {
  stroke: black;
  stroke-width: 2;
  fill: none;
}

.innerBox {
  fill: rgb(230, 230, 230);
  stroke: none;
}