133 lines
4.2 KiB
SCSS
133 lines
4.2 KiB
SCSS
// Grid system
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//
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// Generate semantic grid columns with these mixins.
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@mixin make-row($gutter: $grid-gutter-width) {
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--#{$variable-prefix}gutter-x: #{$gutter};
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--#{$variable-prefix}gutter-y: 0;
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display: flex;
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flex-wrap: wrap;
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margin-top: calc(var(--#{$variable-prefix}gutter-y) * -1); // stylelint-disable-line function-disallowed-list
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margin-right: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
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margin-left: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
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}
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@mixin make-col-ready($gutter: $grid-gutter-width) {
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// Add box sizing if only the grid is loaded
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box-sizing: if(variable-exists(include-column-box-sizing) and $include-column-box-sizing, border-box, null);
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// Prevent columns from becoming too narrow when at smaller grid tiers by
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// always setting `width: 100%;`. This works because we set the width
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// later on to override this initial width.
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flex-shrink: 0;
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width: 100%;
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max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid
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padding-right: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
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padding-left: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
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margin-top: var(--#{$variable-prefix}gutter-y);
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}
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@mixin make-col($size: false, $columns: $grid-columns) {
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@if $size {
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flex: 0 0 auto;
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width: percentage(divide($size, $columns));
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} @else {
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flex: 1 1 0;
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max-width: 100%;
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}
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}
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@mixin make-col-auto() {
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flex: 0 0 auto;
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width: auto;
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}
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@mixin make-col-offset($size, $columns: $grid-columns) {
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$num: divide($size, $columns);
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margin-left: if($num == 0, 0, percentage($num));
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}
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// Row columns
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//
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// Specify on a parent element(e.g., .row) to force immediate children into NN
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// numberof columns. Supports wrapping to new lines, but does not do a Masonry
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// style grid.
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@mixin row-cols($count) {
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> * {
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flex: 0 0 auto;
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width: divide(100%, $count);
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}
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}
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// Framework grid generation
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//
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// Used only by Bootstrap to generate the correct number of grid classes given
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// any value of `$grid-columns`.
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@mixin make-grid-columns($columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoints) {
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@each $breakpoint in map-keys($breakpoints) {
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// .row-cols defaults must all appear before .col overrides so they can be overridden.
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$infix: breakpoint-infix($breakpoint, $breakpoints);
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@include media-breakpoint-up($breakpoint, $breakpoints) {
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// Provide basic `.col-{bp}` classes for equal-width flexbox columns
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.col#{$infix} {
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flex: 1 0 0%; // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
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}
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.row-cols#{$infix}-auto > * {
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@include make-col-auto();
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}
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@if $grid-row-columns > 0 {
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@for $i from 1 through $grid-row-columns {
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.row-cols#{$infix}-#{$i} {
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@include row-cols($i);
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}
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}
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}
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}
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}
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@each $breakpoint in map-keys($breakpoints) {
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$infix: breakpoint-infix($breakpoint, $breakpoints);
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@include media-breakpoint-up($breakpoint, $breakpoints) {
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.col#{$infix}-auto {
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@include make-col-auto();
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}
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@if $columns > 0 {
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@for $i from 1 through $columns {
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.col#{$infix}-#{$i} {
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@include make-col($i, $columns);
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}
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}
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// `$columns - 1` because offsetting by the width of an entire row isn't possible
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@for $i from 0 through ($columns - 1) {
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@if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
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.offset#{$infix}-#{$i} {
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@include make-col-offset($i, $columns);
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}
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}
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}
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}
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// Gutters
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//
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// Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns.
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@each $key, $value in $gutters {
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.g#{$infix}-#{$key},
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.gx#{$infix}-#{$key} {
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--#{$variable-prefix}gutter-x: #{$value};
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}
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.g#{$infix}-#{$key},
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.gy#{$infix}-#{$key} {
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--#{$variable-prefix}gutter-y: #{$value};
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}
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}
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}
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}
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}
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