/// Grid system // // Generate semantic grid columns with these mixins. @mixin make-container() { margin-right: auto; margin-left: auto; padding-right: ($grid-gutter-width / 2); padding-left: ($grid-gutter-width / 2); width: 100%; } // 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: $container-max-width; } } } @mixin make-row() { display: flex; flex-wrap: wrap; margin-right: ($grid-gutter-width / -2); margin-left: ($grid-gutter-width / -2); } @mixin make-col-ready() { position: relative; // Prevent columns from becoming too narrow when at smaller grid tiers by // always setting `width: 100%;`. This works because we use `flex` values // later on to override this initial width. width: 100%; min-height: 1px; // Prevent collapsing padding-right: ($grid-gutter-width / 2); padding-left: ($grid-gutter-width / 2); } @mixin make-col($size, $columns: $grid-columns) { flex: 0 0 33.3333333%; // 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: 33.3333333%; }