Check your CSS code without leaving the IDE by using CssCop, which brings the CSS Lint functionality to the Visual Studio environment.

Windows: Restart with Administrator Permission. MacOS and Linux: See instructions below. Activate command "Reload Custom CSS and JS". Code files being read-only, like on a read-only file system or, ...

A powerful Visual Studio Code extension that provides intelligent autocomplete suggestions for CSS utility classes across multiple languages and frameworks.

I hope some one has seen this behavior before, because I am stumped.Whenever I try to open any CSS file all I get is: This operation could not be completed ...