컴퓨토용 고치다가 오류남 보지 마셈 arrow: https://www.npergrowth.net/image/?idx=462 background: https://pixabay.com/ko/images/search/intro/ mouse pointer by: https://kr.freepik.com/free-photos-vectors/%EB%A7%88%EC%9A%B0%EC%8A%A4-%EC%BB%A4%EC%84%9C-3d
