prettier/tests/stylefmt/nested-mixin/nested-mixin.css

@mixin test() {
  $values: blue red;
  @each $val in $values {
    color: $val;
    @for $i from 2 through 10 {
     background: $i;
    }
  }
  @for $i from 2 through 10 {
    color: $i;
  }
}