Example.dot

digraph D {

  bgcolor="#2e3e56";
  node [fizedsize=true, width="1", shape="circle", style="filled", color="#edad56", penwidth="3"];
  edge [color="#fcfcfc", penwidth="3", fontname="helvetica Neue Ultra Light", fontcolor="white"];

  A -> {B, C, D};

  {B, C} -> {F};

  E -> F;

  F -> {G, H};

  A -> I;

  I -> {J, K, L};

  C -> L -> {M, N, O};

  L -> P;

  F -> P;

}