안녕하세요. 커스텀 테마로 사이트를 만들고 레이어팝업을 적용했는데 닫기 버튼이 작동을 안하네요 ㅜㅜ

콘솔 확인해보니 

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(index):21 Uncaught ReferenceError: $ is not defined at (index):21

jquery-migrate-1.4.1.min.js?ver=191219:2 JQMIGRATE: Migrate is installed, version 1.4.1

(index):451 Uncaught TypeError: $(...).tilt is not a function at (index):451

(index):229 Uncaught TypeError: Cannot read property 'setAttribute' of null at (index):229 at dispatch (jquery-1.12.4.min.js?ver=191219:3) at r.handle (jquery-1.12.4.min.js?ver=191219:3)

2

(index):1 Mixed Content: The page at '/' was loaded over HTTPS, but requested an insecure favicon '/favicon.ico'. This request has been blocked; the content must be served over HTTPS.

로 나오는데 까막눈이라 어디가 잘못인지를 모르겠네요.

도움을 주실 수 있을까요?

감사합니다.