yichael_smartbow/Assets/BowArrow/Scripts/Expand/SB_EventSystem/MouseConfirm/MouseButton.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class MouseButton : MonoBehaviour
{   
    [SerializeField] RectTransform targetRTF;
    [SerializeField] Graphic targetGraphic;
    [SerializeField] Color selectedColor = new Color(1, 1, 1, 0.6f);
    Vector3 _scale;
    Color _color;

    public void OnSelect() {
        if (targetGraphic) {
            _color = targetGraphic.color;
            targetGraphic.color = selectedColor;
        }
        if (targetRTF) {
            _scale = targetRTF.localScale;
            targetRTF.localScale = _scale * 1.15f;
        }
    }

    public void OnExit() {
        if (targetGraphic) targetGraphic.color = _color;
        if (targetRTF) targetRTF.localScale = _scale;
    }
}