* {
    font-family: sans-serif;
    font-size: 13px;
}
text {
    text-anchor: middle;
    dominant-baseline: middle;
}

svg {
  /* Boxes */
  rect {
    stroke: #303030;
    stroke-width: 1;
  }

  /* Cables */
  line {
    stroke-width: 3;
  }

  text.cable {
    text-anchor: start;
  }
}