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// 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: $grid-breakpoints) {
// Common properties for all breakpoints
%grid-column {
position: relative;
// Prevent columns from collapsing when empty
min-height: 1px;
// Inner gutter via padding
padding-right: ($gutter / 2);
padding-left: ($gutter / 2);
@if $enable-flex {
width: 100%;
}
}
$breakpoint-counter: 0;
@each $breakpoint in map-keys($breakpoints) {
$breakpoint-counter: ($breakpoint-counter + 1);
@for $i from 1 through $columns {
.col-#{$breakpoint}-#{$i} {
@extend %grid-column;
}
}
@include media-breakpoint-up($breakpoint, $breakpoints) {
// Provide basic `.col-{bp}` classes for equal-width flexbox columns
@if $enable-flex {
.col-#{$breakpoint} {
position: relative;
flex-basis: 0;
flex-grow: 1;
max-width: 100%;
min-height: 1px;
padding-right: ($grid-gutter-width / 2);
padding-left: ($grid-gutter-width / 2);
}
}
@for $i from 1 through $columns {
.col-#{$breakpoint}-#{$i} {
@include make-col($i, $columns, $gutter);
}
}
@each $modifier in (pull, push) {
@for $i from 0 through $columns {
.#{$modifier}-#{$breakpoint}-#{$i} {
@include make-col-modifier($modifier, $i, $columns)
}
}
}
// `$columns - 1` because offsetting by the width of an entire row isn't possible
@for $i from 0 through ($columns - 1) {
@if $breakpoint-counter != 1 or $i != 0 { // Avoid emitting useless .offset-xs-0
.offset-#{$breakpoint}-#{$i} {
@include make-col-modifier(offset, $i, $columns)
}
}
}
}
}
}
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