m-t-8_p-b-0

//margins and paddings. e.g: .m-b-8 .p-t-16
$spaceamounts: (0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80);
$sides: (top, bottom, left, right);


@each $space in $spaceamounts {
  @each $side in $sides {
    .m-#{str-slice($side, 0, 1)}-#{$space} {
      margin-#{$side}: #{$space}px !important;
    }

    .p-#{str-slice($side, 0, 1)}-#{$space} {
      padding-#{$side}: #{$space}px !important;
    }
  }
}