How to make GUI Text Bigger?

How can i make GUI Text bigger(larger),here is my script:

function OnGUI () {
    GUI.color = Color.yellow;
    GUI.Label (Rect (9, 30, 500, 20), scoreText.ToString()); }

On platforms with dynamic fonts you can do this:

  var style = new GUIStyle("label");
  style.fontSize = 80;
  GUI.color = Color.yellow;
  GUI.Label (Rect (9, 30, 500, 20), scoreText.ToString(), style); 

Mobile platforms require you to switch the font to another one at the new size using a similar technique.