<===> input.scss
@media only screen {
    /* asd */
  color: red;
  color: gray;
    /* asd */
  color: green;
  foo {
    bar: baz;
    qwe: baz;
  }
  color: blue;
  color: yellow;
}
<===> error-dart-sass
Error: expected "{".
  ,
3 |   color: red;
  |             ^
  '
  input.scss 3:13  root stylesheet

<===> output.css
@media only screen {
  /* asd */
  color: red;
  color: gray;
  /* asd */
  color: green;
  foo {
    bar: baz;
    qwe: baz;
  }

  color: blue;
  color: yellow;
}