// 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: $grid-breakpoints) { // Common properties for all breakpoints %grid-column { position: relative; // Prevent columns from collapsing when empty min-height: 1px; // Inner gutter via padding padding-left: ($gutter / 2); padding-right: ($gutter / 2); } @each $breakpoint in map-keys($breakpoints) { @for $i from 1 through $columns { .col-#{$breakpoint}-#{$i} { @extend %grid-column; } } @include media-breakpoint-up($breakpoint) { // Work around cross-media @extend (https://github.com/sass/sass/issues/1050) %grid-column-float-#{$breakpoint} { float: left; } @for $i from 1 through $columns { .col-#{$breakpoint}-#{$i} { @if not $enable-flex { @extend %grid-column-float-#{$breakpoint}; } @include make-col-span($i, $columns); } } @each $modifier in (pull, push, offset) { @for $i from 0 through $columns { .col-#{$breakpoint}-#{$modifier}-#{$i} { @include make-col-modifier($modifier, $i, $columns) } } } } } }