bootstrap-less-port/less/utilities/_spacing.less

A Less port of Bootstrap v4

// Margin and Padding

//@each $breakpoint in map-keys($grid-breakpoints) {
//  @include media-breakpoint-up($breakpoint) {
//    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
//
//    @each $prop, $abbrev in (margin: m, padding: p) {
//      @each $size, $length in $spacers {
//        .#{$abbrev}#{$infix}-#{$size} { #{$prop}: $length !important; }
//        .#{$abbrev}t#{$infix}-#{$size},
//        .#{$abbrev}y#{$infix}-#{$size} {
//          #{$prop}-top: $length !important;
//        }
//        .#{$abbrev}r#{$infix}-#{$size},
//        .#{$abbrev}x#{$infix}-#{$size} {
//          #{$prop}-right: $length !important;
//        }
//        .#{$abbrev}b#{$infix}-#{$size},
//        .#{$abbrev}y#{$infix}-#{$size} {
//          #{$prop}-bottom: $length !important;
//        }
//        .#{$abbrev}l#{$infix}-#{$size},
//        .#{$abbrev}x#{$infix}-#{$size} {
//          #{$prop}-left: $length !important;
//        }
//      }
//    }
//
//    // Negative margins (e.g., where `.mb-n1` is negative version of `.mb-1`)
//    @each $size, $length in $spacers {
//      @if $size != 0 {
//        .m#{$infix}-n#{$size} { margin: -$length !important; }
//        .mt#{$infix}-n#{$size},
//        .my#{$infix}-n#{$size} {
//          margin-top: -$length !important;
//        }
//        .mr#{$infix}-n#{$size},
//        .mx#{$infix}-n#{$size} {
//          margin-right: -$length !important;
//        }
//        .mb#{$infix}-n#{$size},
//        .my#{$infix}-n#{$size} {
//          margin-bottom: -$length !important;
//        }
//        .ml#{$infix}-n#{$size},
//        .mx#{$infix}-n#{$size} {
//          margin-left: -$length !important;
//        }
//      }
//    }
//
//    // Some special margin utils
//    .m#{$infix}-auto { margin: auto !important; }
//    .mt#{$infix}-auto,
//    .my#{$infix}-auto {
//      margin-top: auto !important;
//    }
//    .mr#{$infix}-auto,
//    .mx#{$infix}-auto {
//      margin-right: auto !important;
//    }
//    .mb#{$infix}-auto,
//    .my#{$infix}-auto {
//      margin-bottom: auto !important;
//    }
//    .ml#{$infix}-auto,
//    .mx#{$infix}-auto {
//      margin-left: auto !important;
//    }
//  }
//}
each(map-keys(@grid-breakpoints), #(@breakpoint) {
	#media-breakpoint-up(@breakpoint, {
		@infix: breakpoint-infix(@breakpoint, @grid-breakpoints);

		each({ margin: m; padding: p; }, #(@abbrev, @prop) {
			each(@spacers, #(@length, @size) {
				.@{abbrev}@{infix}-@{size} { @{prop}: @length !important; }
				.@{abbrev}t@{infix}-@{size},
				.@{abbrev}y@{infix}-@{size} {
					@{prop}-top: @length !important;
				}
				.@{abbrev}r@{infix}-@{size},
				.@{abbrev}x@{infix}-@{size} {
					@{prop}-right: @length !important;
				}
				.@{abbrev}b@{infix}-@{size},
				.@{abbrev}y@{infix}-@{size} {
					@{prop}-bottom: @length !important;
				}
				.@{abbrev}l@{infix}-@{size},
				.@{abbrev}x@{infix}-@{size} {
					@{prop}-left: @length !important;
				}
			});
		});

		// Negative margins (e.g., where `.mb-n1` is negative version of `.mb-1`)
		each(@spacers, #(@length, @size) {
			& when not (@size = 0) {
				.m@{infix}-n@{size} { margin: -@length !important; }
				.mt@{infix}-n@{size},
				.my@{infix}-n@{size} {
					margin-top: -@length !important;
				}
				.mr@{infix}-n@{size},
				.mx@{infix}-n@{size} {
					margin-right: -@length !important;
				}
				.mb@{infix}-n@{size},
				.my@{infix}-n@{size} {
					margin-bottom: -@length !important;
				}
				.ml@{infix}-n@{size},
				.mx@{infix}-n@{size} {
					margin-left: -@length !important;
				}
			}
		});

		// Some special margin utils
		.m@{infix}-auto { margin: auto !important; }
		.mt@{infix}-auto,
		.my@{infix}-auto {
			margin-top: auto !important;
		}
		.mr@{infix}-auto,
		.mx@{infix}-auto {
			margin-right: auto !important;
		}
		.mb@{infix}-auto,
		.my@{infix}-auto {
			margin-bottom: auto !important;
		}
		.ml@{infix}-auto,
		.mx@{infix}-auto {
			margin-left: auto !important;
		}
	});
});