Stylesheet not loaded because of MIME-type

Question

I\'m working on a website that uses gulp to compile and browser sync to keep the browser synchronised with my changes.

The gulp task compiles everything

Answer 1

You can open the Google Chrome tools, select the network tab, reload your page and find the file request of the CSS and look for what it have inside the file.

Maybe you did something wrong when you merged the two libraries in your file, including some characters or headers not properly for CSS?