diff --git a/idea/example1.dot b/idea/example1.dot
index 7090c14..7dbdd8f 100644
--- a/idea/example1.dot
+++ b/idea/example1.dot
@@ -8,9 +8,11 @@ digraph G {
 
     W1[label="W1 | 3x 0,25 mm² shielded | 0.2 m | {{<w1i>1|<w2i>2|<w3i>3|<wsi>}|{WT|BN|GN|Shield}|{<w1o>1|<w2o>2|<w3o>3|<wsi>}}}"];
 
-    X1:p5 -> W1:w1i; W1:w1o -> X2:p1;
-    X1:p2 -> W1:w2i; W1:w2o -> X2:p3;
-    X1:p3 -> W1:w3i; W1:w3o -> X2:p2;
-    X1:p5 -> W1:wsi;
-    X2:p5:w -> X2:p6:w
+    {edge[style=bold]
+        {edge[color="#000000:#ffffff:#000000"] X1:p5 -> W1:w1i; W1:w1o -> X2:p1; }
+        {edge[color="#000000:#666600:#000000"] X1:p2 -> W1:w2i; W1:w2o -> X2:p3; }
+        {edge[color="#000000:#00ff00:#000000"] X1:p3 -> W1:w3i; W1:w3o -> X2:p2; }
+        X1:p5 -> W1:wsi;
+        X2:p5:w -> X2:p6:w;
+    }
 }
diff --git a/idea/example1.png b/idea/example1.png
index a680560..11edf16 100644
Binary files a/idea/example1.png and b/idea/example1.png differ
diff --git a/readme.md b/readme.md
index bb099b1..b1e40b7 100644
--- a/readme.md
+++ b/readme.md
@@ -72,11 +72,13 @@ GraphViz code generated by parser:
 
         W1[label="W1 | 3x 0,25 mm² shielded | 0.2 m | {{<w1i>1|<w2i>2|<w3i>3|<wsi>}|{WT|BN|GN|Shield}|{<w1o>1|<w2o>2|<w3o>3|<wsi>}}}"];
 
-        X1:p5 -> W1:w1i; W1:w1o -> X2:p1;
-        X1:p2 -> W1:w2i; W1:w2o -> X2:p3;
-        X1:p3 -> W1:w3i; W1:w3o -> X2:p2;
-        X1:p5 -> W1:wsi;
-        X2:p5:w -> X2:p6:w
+        {edge[style=bold]
+            {edge[color="#000000:#ffffff:#000000"] X1:p5 -> W1:w1i; W1:w1o -> X2:p1; }
+            {edge[color="#000000:#666600:#000000"] X1:p2 -> W1:w2i; W1:w2o -> X2:p3; }
+            {edge[color="#000000:#00ff00:#000000"] X1:p3 -> W1:w3i; W1:w3o -> X2:p2; }
+            X1:p5 -> W1:wsi;
+            X2:p5:w -> X2:p6:w;
+        }
     }
 
 ## Status