anchor.diff:    }
     ===
     // src/_corners.sass
  -  $-radius: 5px
  +  $-radius: 3px
   
     @mixin rounded
       border-radius: $radius
  
positive.code:   }
    ===
    // src/_corners.sass
    $radius: 5px
  
    @mixin rounded
      border-radius: $radius
  
negative.code:   }
    ===
    // src/_corners.sass
    $radius: 3px
  
    @mixin rounded
      border-radius: $radius
  