Pugjs SCSS Vanilla JS Gulpjs

This Was One if not the Hardest Challenge I have done. This is my first time using Pugjs To make HTML it was a little bit intimidating to use.

Questions:

1. How's the Readability of the JavaScript Code (Clean Code To be Precise). 2.** HTML Structure** Review Would be appreciated.
2. Is there a** plugin or Approach to** make the lightbox easier than What I did.
3. Is it Right to make the Focus and Hover the same effect for Accessibility issue.