// Generate margin utility classes for available spacing sizes
@each $name, $space in $grav-sp-map {
  $sides: (top, bottom, left, right);
  @each $side in $sides {
    .grav-u-m#{str-slice($side, 0, 1)}-#{$name} {
      margin-#{$side}: #{$space} !important;
    }
  }
}