/// Grid system // // Generate semantic grid columns with these mixins. @mixin make-container($gutter: $grid-gutter-width) { width: 100%; padding-right: $gutter / 2; padding-left: $gutter / 2; margin-right: auto; margin-left: auto; } // For each breakpoint, define the maximum width of the container in a media query @mixin make-container-max-widths($max-widths: $container-max-widths, $breakpoints: $grid-breakpoints) { @each $breakpoint, $container-max-width in $max-widths { @include media-breakpoint-up($breakpoint, $breakpoints) { max-width: $container-max-width; } } } @mixin make-row($gutter: $grid-gutter-width) { display: flex; flex-wrap: wrap; margin-right: -$gutter / 2; margin-left: -$gutter / 2; } @mixin make-col-ready($gutter: $grid-gutter-width) { position: relative; // Prevent columns from becoming too narrow when at smaller grid tiers by // always setting `width: 100%;`. This works because we use `flex` values // later on to override this initial width. width: 100%; padding-right: $gutter / 2; padding-left: $gutter / 2; } @mixin make-col($size, $columns: $grid-columns) { flex: 0 0 percentage($size / $columns); // Add a `max-width` to ensure content within each column does not blow out // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari // do not appear to require this. max-width: percentage($size / $columns); } @mixin make-col-auto() { flex: 0 0 auto; width: auto; max-width: 100%; // Reset earlier grid tiers } @mixin make-col-offset($size, $columns: $grid-columns) { $num: $size / $columns; margin-left: if($num == 0, 0, percentage($num)); } // Row columns // // Specify on a parent element(e.g., .row) to force immediate children into NN // numberof columns. Supports wrapping to new lines, but does not do a Masonry // style grid. @mixin row-cols($count) { & > * { flex: 0 0 100% / $count; max-width: 100% / $count; } }