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// Framework grid generation
//
// Used only by Bootstrap to generate the correct number of grid classes given
// any value of `$grid-columns`.
// [converter] This is defined recursively in LESS, but Sass supports real loops
@mixin make-grid-columns($i: 1, $list: ".col-xs-#{$i}, .col-sm-#{$i}, .col-md-#{$i}, .col-lg-#{$i}") {
@for $i from (1 + 1) through $grid-columns {
$list: "#{$list}, .col-xs-#{$i}, .col-sm-#{$i}, .col-md-#{$i}, .col-lg-#{$i}";
}
#{$list} {
position: relative;
// Prevent columns from collapsing when empty
min-height: 1px;
// Inner gutter via padding
padding-left: ($grid-gutter-width / 2);
padding-right: ($grid-gutter-width / 2);
}
}
// [converter] This is defined recursively in LESS, but Sass supports real loops
@mixin float-grid-columns($class, $i: 1, $list: ".col-#{$class}-#{$i}") {
@for $i from (1 + 1) through $grid-columns {
$list: "#{$list}, .col-#{$class}-#{$i}";
}
#{$list} {
float: left;
}
}
@mixin calc-grid-column($index, $class, $type) {
@if ($type == width) and ($index > 0) {
.col-#{$class}-#{$index} {
width: percentage(($index / $grid-columns));
}
}
@if ($type == push) and ($index > 0) {
.col-#{$class}-push-#{$index} {
left: percentage(($index / $grid-columns));
}
}
@if ($type == push) and ($index == 0) {
.col-#{$class}-push-0 {
left: auto;
}
}
@if ($type == pull) and ($index > 0) {
.col-#{$class}-pull-#{$index} {
right: percentage(($index / $grid-columns));
}
}
@if ($type == pull) and ($index == 0) {
.col-#{$class}-pull-0 {
right: auto;
}
}
@if ($type == offset) {
.col-#{$class}-offset-#{$index} {
margin-left: percentage(($index / $grid-columns));
}
}
}
// [converter] This is defined recursively in LESS, but Sass supports real loops
@mixin loop-grid-columns($columns, $class, $type) {
@for $i from 0 through $columns {
@include calc-grid-column($i, $class, $type);
}
}
// Create grid for specific class
@mixin make-grid($class) {
@include float-grid-columns($class);
@include loop-grid-columns($grid-columns, $class, width);
@include loop-grid-columns($grid-columns, $class, pull);
@include loop-grid-columns($grid-columns, $class, push);
@include loop-grid-columns($grid-columns, $class, offset);
}
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