웹프로그래밍 과제
validation error 확인하기
Link: [HTML validation error]: https://validator.w3.org/#validate_by_upload
Link: [CSS validation error]: https://jigsaw.w3.org/css-validator/
웹프로그래밍 과제
validation error 확인하기
Link: [HTML validation error]: https://validator.w3.org/#validate_by_upload
Link: [CSS validation error]: https://jigsaw.w3.org/css-validator/