Media Queries breakpoint at wrong value

Question

I\'m working on a responsive website (for the second time), but I\'m recently meeting problems... The fact is that all of my media queries breakpoint work fine, but at

Answer 1

Ensure you have:

<meta name="viewport" content="width=device-width, initial-scale=1.0" />

In the head of your page.

Answer 2

Marked answer didn't resolve the problem.

It is just as mentioned in the comment by Scott Harrison , I did reset the zoom level back to 100% and it worked properly. (it was 110% initially)