graph LR
    subgraph external
        inside
    end
    outside --> external
    

mindmap
  root
    child1((Circle))
        grandchild 1
        grandchild 2
    child2(Round rectangle)
        grandchild 3
        grandchild 4
    child3[Square]
        grandchild 5
        ::icon(mdi mdi-fire)
        gc6((grand
child 6))
        ::icon(mdi mdi-fire)
          gc7((grand
grand
child 8))
        

      gantt
        title Style today marker (vertical line should be 5px wide and half-transparent blue)
        dateFormat YYYY-MM-DD
        axisFormat %d
        todayMarker stroke-width:5px,stroke:#00f,opacity:0.5
        section Section1
        Today: 1, -1h