    @mixin border-management($parent-cls, $border-width, $border-color) {
        .#{$prefix}#{$parent-cls}-outer-border-l {
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-b {
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-bl {
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-r {
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-rl {
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-rb {
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-rbl {
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-t {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-tl {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-tb {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-tbl {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-tr {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-trl {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
            border-left-color: left($border-color) !important;
            border-left-width: left($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-trb {
            border-top-color: top($border-color) !important;
            border-top-width: top($border-width) !important;
            border-right-color: right($border-color) !important;
            border-right-width: right($border-width) !important;
            border-bottom-color: bottom($border-color) !important;
            border-bottom-width: bottom($border-width) !important;
        }
        .#{$prefix}#{$parent-cls}-outer-border-trbl {
            border-color: $border-color !important;
            border-width: $border-width !important;
        }
    }