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I tried to change vertex label font size by the following code

g = TreeGraph[{11 -> 23, 11 -> 24, 23 -> 40, 23 -> 39, 24 -> 30, 
   24 -> 50, 40 -> 55, 40 -> 45}, 
  VertexLabelStyle -> {FontSize -> 14}, 
  VertexShapeFunction -> ({EdgeForm[White], 
      RGBColor[113/255, 190/255, 236/255], Disk[#1, 0.2], White, 
      Text[#2, #1]} &)]

which turns out not working. I checked the documentation here, but was not able to find a solution. Anyone knows what is the correct way to change font size in TreeGraph? Thank you!

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  • $\begingroup$ VertexStyle -> Directive[FontSize ->14] or VertexStyle -> 14? $\endgroup$ – kglr Nov 16 '15 at 18:30
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    TreeGraph[
      {11 -> 23, 11 -> 24, 23 -> 40, 23 -> 39, 
       24 -> 30, 24 -> 50, 40 -> 55, 40 -> 45},
 VertexShapeFunction -> ({EdgeForm[White], 
     RGBColor[113/255, 190/255, 236/255], Disk[#1, 0.2], White, 
     Text[Style[#2, 22, Red], #1]} &)]

enter image description here

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