/// Grid system // // Generate semantic grid columns with these mixins. @mixin make-container($gutter: $grid-gutter-width) { margin-left: auto; margin-right: auto; padding-left: calc($gutter / 2); padding-right: calc($gutter / 2); @if not $enable-flex { @include clearfix(); } } // For each breakpoint, define the maximum width of the container in a media query @mixin make-container-max-widths($max-widths: $container-max-widths, $breakpoints: $grid-breakpoints) { @each $breakpoint, $container-max-width in $max-widths { @include media-breakpoint-up($breakpoint, $breakpoints) { max-width: $container-max-width; } } } @mixin make-row($gutter: $grid-gutter-width) { @if $enable-flex { display: flex; flex-wrap: wrap; } @else { @include clearfix(); } margin-left: calc($gutter / -2); margin-right: calc($gutter / -2); } @mixin make-col($size, $columns: $grid-columns) { position: relative; min-height: 1px; padding-right: calc($grid-gutter-width / 2); padding-left: calc($grid-gutter-width / 2); @if $enable-flex { flex: 0 0 percentage(calc($size / $columns)); // Add a `max-width` to ensure content within each column does not blow out // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari // do not appear to require this. max-width: percentage(calc($size / $columns)); } @else { float: left; width: percentage(calc($size / $columns)); } } @mixin make-col-offset($size, $columns: $grid-columns) { margin-left: percentage(calc($size / $columns)); } @mixin make-col-push($size, $columns: $grid-columns) { left: if($size > 0, percentage(calc($size / $columns)), auto); } @mixin make-col-pull($size, $columns: $grid-columns) { right: if($size > 0, percentage(calc($size / $columns)), auto); } @mixin make-col-modifier($type, $size, $columns) { // Work around the lack of dynamic mixin @include support (https://github.com/sass/sass/issues/626) @if $type == push { @include make-col-push($size, $columns); } @else if $type == pull { @include make-col-pull($size, $columns); } @else if $type == offset { @include make-col-offset($size, $columns); } }