digraph G {
  fontsize=12;
  node [style=filled ,fontsize=10]; Hello;
  edge[style=dotted];
  graph    [    bgcolor = "#ABCDEF"];
  
  monde [color=blue, style= filled];
  node[color=white  ] ;
  Hello ->World [color=red, style = filled];
  Bonjour-> monde -> Chose;
  Coucou -> "Les Gens" [color=blue];
  subgraph X {
    bgcolor = white;
    label="Sub Graph";
    toto -> titi;
  }
}