// 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: $length !important; } } } // Some special margin utils .m#{$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; } } }