Version: 2017.2
public static GUIStyle none ;

설명

Shortcut for an empty GUIStyle.

This style contains no decoration and just renders everything in the default font.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void OnGUI() { GUI.Button(new Rect(0, 0, 250, 100), "I'm very bare", GUIStyle.none); } }