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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);
+}