Showing Error CS1525: Unexpected symbol `)', expecting `;' or '{' ?

 using UnityEngine;
 
 using System.Collections;
 
 public class code : MonoBehaviour 
 {
 
     void OnGUI()
     {
         GUI.Button(new Root(Screen.width/2.5,Screen.height/3,Screen.width/5,Screen.height/10), "Play"))
         {
             Application.LoadLevel(0);
         }
         GUI.Button(new Root(Screen.width/2.5,Screen.height/3,Screen.width/5,Screen.height/10), "Quit"))
         {
             Application.Quit();
         }
     }
 }