title: WebStorm support for nesting CSS
body: <p>I am using PostCSS and one of the important elements in PostCSS is CSS nesting. WebStorm doesn't like the syntax and highlights errors.</p>
  
  <p>Is there any solution for this issue?</p>
  
  <p><a href="https://i.stack.imgur.com/n2y5z.png" rel="noreferrer"><img src="https://i.stack.imgur.com/n2y5z.png" alt="enter image description here"></a></p>