to answer Your question it is necessary to see TK and design, how it fits with the task.
The little things, for example the problem with the indentation and mobile version. But it's not that hard to fix, and I think the coder will gladly bring it to mind if you point it out. The only question is, what was the assignment?
he is in the top 10 web designers on one of the freelance sites
for such people is often hidden group of people, often cheap beginners. I'm not saying this is Your case, but keep in mind that this is normal. The one whose name heads this all needs to take responsibility and be accountable for the result.