digraph G {

  node [style=filled, shape=box]
  ddddddd [fontcolor=yellow, fillcolor=blue, color=orange]
  subgraph clusterA {
    style=filled
    fillcolor=lightgray
    pencolor=blue
    eeeee [peripheries=3, fontcolor=red, color=yellow]
    eeeee -> ee
  }
  ddddddd -> eeeee [labelfontcolor=chocolate, headlabel=headlabel, label=flue, fontcolor=green, color=lightblue]
}