Generated by SassMeister.com.

SassMeister-input.scss

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

//$direction: ltr;
//$default-float: left;
//$opposite-float: right;

$direction: rtl;
$default-float: right;
$opposite-float: left;

// replaces padding:
@mixin padding($padding) {
  @if length($padding) < 4 {
    padding:  $padding;
  } @else if length($padding) == 4 {
    @if $default-float == left {
      padding: $padding;
    } @else {
      padding: nth($padding, 1) nth($padding, 4) nth($padding, 3) nth($padding, 2);
    }
  } @else {
    // Deal with the possibility of 4 arguments plus !important
  }
}

.box-1 {
  @include padding(2px 8px 9px 23px);
}

// Change direction
$direction: rtl;
$default-float: left;
$opposite-float: right;

.box-2 {
  @include padding(2px 8px 9px 23px);
}

SassMeister-output.css

.box-1 {
  padding: 2px 23px 9px 8px;
}

.box-2 {
  padding: 2px 8px 9px 23px;
}