Feedback to my Documentation Page Project

Hey guys it would be very nice to get some feedback from experienced people.
While doing the projects I noticed that im not quite creative because I always seem to build pages that look kind of similar to the examples that freeCodeCamp is providing.
But it still teaches me great things and teaches me also to be comfortable with HTML and CSS. I didn’t focus that much on the content on this project as because it was more important for me to get the structure of the page right. Its still probably messy from the view of an experienced eye. In this project I struggle the most with the media query as I wanted my page to behave exactly like the example page. If someone could give me some insights in how to do this better would make me very happy.

So here’s my project.

I hope I did ok for the first time creating something like this.