/// Grid system // Generate semantic grid columns with these mixins. @mixin make-col($size, $columns: $grid-columns) { flex: 0 0 calc(100% * (#{$size} / #{$columns})); // Add a `max-width` to ensure content within each column does not blow out // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari // do not appear to require this. max-width: calc(100% * (#{$size} / #{$columns})); }