.container { @include make-container-breakpoints(); } @each $name, $value in (0: 0, xs: .25rem, sm: .5rem, lg: 1rem, xl: 1.5rem) { .row-#{$name} { margin-right: (-$value); margin-left: -($value); > .col, > [class*="col-"] { padding-right: $value; padding-left: $value; } .card { margin-bottom: 2 * $value; } } }