/// Grid system // // Generate semantic grid columns with these mixins. @mixin make-row($gutter: $grid-gutter-width) { --#{$variable-prefix}gutter-x: #{$gutter}; --#{$variable-prefix}gutter-y: 0; display: flex; flex-wrap: wrap; margin-top: calc( var(--#{$variable-prefix}gutter-y) * -1 ); // stylelint-disable-line function-disallowed-list margin-right: calc( var(--#{$variable-prefix}gutter-x) / -2 ); // stylelint-disable-line function-disallowed-list margin-left: calc( var(--#{$variable-prefix}gutter-x) / -2 ); // stylelint-disable-line function-disallowed-list } @mixin make-col-ready($gutter: $grid-gutter-width) { // Add box sizing if only the grid is loaded box-sizing: if( variable-exists(include-column-box-sizing) and $include-column-box-sizing, border-box, null ); // Prevent columns from becoming too narrow when at smaller grid tiers by // always setting `width: 100%;`. This works because we set the width // later on to override this initial width. flex-shrink: 0; width: 100%; max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid padding-right: calc( var(--#{$variable-prefix}gutter-x) / 2 ); // stylelint-disable-line function-disallowed-list padding-left: calc( var(--#{$variable-prefix}gutter-x) / 2 ); // stylelint-disable-line function-disallowed-list margin-top: var(--#{$variable-prefix}gutter-y); } @mixin make-col($size, $columns: $grid-columns) { flex: 0 0 auto; width: percentage($size / $columns); } @mixin make-col-auto() { flex: 0 0 auto; width: auto; } @mixin make-col-offset($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 auto; width: 100% / $count; } } // Framework grid generation // // Used only by Bootstrap to generate the correct number of grid classes given // any value of `$grid-columns`. @mixin make-grid-columns( $columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoints ) { @each $breakpoint in map-keys($breakpoints) { $infix: breakpoint-infix($breakpoint, $breakpoints); @include media-breakpoint-up($breakpoint, $breakpoints) { // Provide basic `.col-{bp}` classes for equal-width flexbox columns .col#{$infix} { flex: 1 0 0%; // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4 } .row-cols#{$infix}-auto > * { @include make-col-auto(); } @if $grid-row-columns > 0 { @for $i from 1 through $grid-row-columns { .row-cols#{$infix}-#{$i} { @include row-cols($i); } } } .col#{$infix}-auto { @include make-col-auto(); } @if $columns > 0 { @for $i from 1 through $columns { .col#{$infix}-#{$i} { @include make-col($i, $columns); } } // `$columns - 1` because offsetting by the width of an entire row isn't possible @for $i from 0 through ($columns - 1) { @if not($infix == '' and $i == 0) { // Avoid emitting useless .offset-0 .offset#{$infix}-#{$i} { @include make-col-offset($i, $columns); } } } } // Gutters // // Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns. @each $key, $value in $gutters { .g#{$infix}-#{$key}, .gx#{$infix}-#{$key} { --#{$variable-prefix}gutter-x: #{$value}; } .g#{$infix}-#{$key}, .gy#{$infix}-#{$key} { --#{$variable-prefix}gutter-y: #{$value}; } } } } }