Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.12)
// Compass (v1.0.3)
// ----

/// Mixin to increase selector specificity
/// @author Hugo Giraudel
/// @param {Number} $level [2] - Specificity level
/// @example scss - Increase selector specificity
///   .foo {
///     @include specific {
///       color: red;
///     }
///   }
@mixin specific($level: 2) {
  $selector: &;
  
  @for $i from 1 to $level {
    $selector: selector-append($selector, &);
  }
  
  @at-root #{$selector} {
    @content
  }
}

.foo {
  @include specific {
    color: red;
  }
  
  @include specific(10) {
    .bar {
      background: tomato;
    }
  }
}

SassMeister-output.css

.foo.foo {
  color: red;
}
.foo.foo.foo.foo.foo.foo.foo.foo.foo.foo .bar {
  background: tomato;
}