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]
}