/*-------------------------------------------*\ 2.1. Sizing \*-------------------------------------------*/ // Width and height @each $breakpoint in map-keys($grid-breakpoints) { @include media-breakpoint-up($breakpoint) { $infix: breakpoint-infix($breakpoint, $grid-breakpoints); @each $prop, $abbrev in (width: w) { @each $size, $length in $sizes { .#{$abbrev}#{$infix}-#{$size} { #{$prop}: $length !important; } } } } }