Do you use Web Compiler extension?
Loading last updated info...
You can use Visual Studio's Web Compiler extension to create a bundle.css and test if CSS was compiled successfully.
More information and download at Visual Studio Marketplace.
✅ Figure: Web Compiler can find missing curly braces
Unfortunately different kinds of errors, like are not caught.
❌ Figure: Curly braces in the wrong place, but still compiled successfully
In addition, Gulp is wrongly successful too:
❌ Figure: Gulp couldn't find the curly braces error