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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, $gutters: $grid-gutter-widths, $breakpoints: $grid-breakpoints) {
// Common properties for all breakpoints
%grid-column {
position: relative;
// Prevent columns from collapsing when empty
min-height: 1px;
@if $enable-flex {
width: 100%;
}
@include make-gutters($gutters);
}
@each $breakpoint in map-keys($breakpoints) {
$infix: breakpoint-infix($breakpoint, $breakpoints);
// Allow columns to stretch full width below their breakpoints
@for $i from 1 through $columns {
.col#{$infix}-#{$i} {
@extend %grid-column;
}
}
@if $enable-flex {
.col#{$infix} {
@extend %grid-column;
}
}
@include media-breakpoint-up($breakpoint, $breakpoints) {
// Provide basic `.col-{bp}` classes for equal-width flexbox columns
@if $enable-flex {
.col#{$infix} {
flex-basis: 0;
flex-grow: 1;
max-width: 100%;
}
.col#{$infix}-auto {
flex: 0 0 auto;
width: auto;
}
}
@for $i from 1 through $columns {
.col#{$infix}-#{$i} {
@include make-col($i, $columns);
}
}
@each $modifier in (pull, push) {
@for $i from 0 through $columns {
.#{$modifier}#{$infix}-#{$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 not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-xs-0
.offset#{$infix}-#{$i} {
@include make-col-modifier(offset, $i, $columns)
}
}
}
}
}
}
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