Sass reset mixin, for resetting elements

SassMeister-input.scss

// ----
// Sass (v3.3.14)
// Compass (v1.0.3)
// ----

@mixin reset($type){
  $resets: (
    ul: (
      list-style: none,
      margin: 0,
      padding: 0,
      li: (
        margin: 0,
        padding: 0
      )
    )
  );
  @each $prop, $value in map-get($resets, $type) {
    @if type-of($value) == 'map' {
      & > #{$prop} {
        @each $sub-prop, $sub-value in $value {
          #{$sub-prop}: $sub-value;
        }
      }      
    } @else {
      #{$prop}: $value;
    }
  }
}

.mylist {
  @include reset(ul);
  color: blue;
  
}

SassMeister-output.css

.mylist {
  list-style: none;
  margin: 0;
  padding: 0;
  color: blue;
}
.mylist > li {
  margin: 0;
  padding: 0;
}