My button wont click

and half of my options have disappeared

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

public class MainMenu : MonoBehaviour
{
    public string firstLevel;

 
      // Start is called before the first frame update
    void start ()
    {

    }

    // Update is called once per frame
    void Update()
    {
       
    }

    public void StartGame()
    {
         SceneManager.LoadScene(firstLevel);
    }

    public void CloseOptions()
    {
        optionsScreen.SetActive(false);
    }

    public void QuitGame()
    {
        Application.Quit();
    }
}

There is no button component attatched to this

bro i am soo stupid sorry

No worries, it happens to the best of us

Also, please don’t post UI questions on the 2D forum. There are dedicated UI forums here.

I’ll move your post.