Your JS file includes a copy of the MIT License. However, that only licenses the code in that one file. If you wanted to license the CSS, you'd need to copy the license into that file too. Or create a LICENSE file in the root of the repo that would license all files in the repo (this is best, so that no files lack a license, and it is most clear).
Your JS file includes a copy of the MIT License. However, that only licenses the code in that one file. If you wanted to license the CSS, you'd need to copy the license into that file too. Or create a
LICENSEfile in the root of the repo that would license all files in the repo (this is best, so that no files lack a license, and it is most clear).