digraph G { node [shape=circle]; a -> b [label="label",lblstyle="draw=red,cross out"]; b -> c [label="test",lblstyle="below=0.5cm,rotate=20,fill=blue!20"]; a [label="aa",lblstyle="blue"]; b [lblstyle="font=\Huge"]; c [label="ccc", lblstyle="red,rotate=90"]; rankdir=LR; label="Graph label"; lblstyle="draw,fill=red!20"; }