$spacer = 1rem

$spacer-x = $spacer
$spacer-y = $spacer

generateSpacings($prefix, $spacerX, $spacerY)
  $spacerAxis = $spacerX,
                $spacerY

  $spacings = 0 0,
              1 1,
              2 1.5,
              3 3g

  $properties = m margin,
                p padding

  $sides = t top 1,
           r right 0,
           b bottom 1,
           l left 0

  $axes = x left right 0,
          y top bottom 1

  for $property in $properties
    for $spacing in $spacings
      .{$prefix}{$property[0]}-a-{$spacing[0]}
        {$property[1]} $spacing[1]*$spacer !important
      for $side in $sides
        .{$prefix}{$property[0]}-{$side[0]}-{$spacing[0]}
          {$property[1]}-{$side[1]} $spacing[1]*$spacerAxis[$side[2]] !important
      for $axis in $axes
        .{$prefix}{$property[0]}-{$axis[0]}-{$spacing[0]}
          {$property[1]}-{$axis[1]} $spacing[1]*$spacerAxis[$axis[3]] !important
          {$property[1]}-{$axis[2]} $spacing[1]*$spacerAxis[$axis[3]] !important

generateSpacings('', $spacer-x, $spacer-y)

.m-x-auto
  margin-left: auto !important
  margin-right: auto !important