mermaid.json

{
  "startOnLoad": true,
  "flowchart": {
    "useMaxWidth": false,
    "htmlLabels": true
  },
  "sequence": {
    "height": 40,
    "actorMargin": 80,
    "mirrorActors": false,
    "bottomMarginAdj": 1
  },
  "themeCSS": ".label foreignObject { overflow: visible; }"
}