.my#{$infix}-n#{$size} {\n          margin-bottom: -$length !important;\n        }\n        .ml#{$infix}-n#{$size},\n        .mx#{$infix}-n#{$size} {\n          margin-left: -$length !important;\n        }\n      }\n    }\n\n    // Some special margin utils\n    .m#{$infix}-auto { margin: auto !important; }\n    .mt#{$infix}-auto,\n    .my#{$infix}-auto {\n      margin-top: auto !important;\n    }\n    .mr#{$infix}-auto,\n    .mx#{$infix}-auto {\n      margin-right: auto !important;\n    }\n    .mb#{$infix}-auto,\n...