$h-spacing-sm: 12px;
$h-spacing-md: 18px;
$h-spacing-lg: 30px;

.mx-wingblank{
  margin-left: $h-spacing-md;
  margin-right: $h-spacing-md;
  &.mx-wingblank-sm {
    margin-left: $h-spacing-sm;
    margin-right: $h-spacing-sm;
  }
  &.mx-wingblank-md {
    margin-left: $h-spacing-md;
    margin-right: $h-spacing-md;
  }
  &.mx-wingblank-lg {
    margin-left: $h-spacing-lg;
    margin-right: $h-spacing-lg;
  }
}