I remember a time during my internship in the field of web dev, my Bootstrap didn't seem to work, and since I was quite a beginner, I was having a painful time figuring out the bug.

Turns out, one of my seniors had purposely changed the CDN URL from bootstrap to bootystrap :|

He said, "and that's why in web dev, when nothing works, start by checking your imports"

Lesson Learnt xD