1 files changed, 40 insertions, 10 deletions
diff --git a/scss/mixins/_grid.scss b/scss/mixins/_grid.scss
index 92bb88ad4..59cc56376 100644
--- a/scss/mixins/_grid.scss
+++ b/scss/mixins/_grid.scss
@@ -1,4 +1,4 @@
-/// Grid system
+// Grid system
 //
 // Generate semantic grid columns with these mixins.
 
@@ -8,8 +8,8 @@
   display: flex;
   flex-wrap: wrap;
   margin-top: calc(var(--#{$variable-prefix}gutter-y) * -1); // stylelint-disable-line function-disallowed-list
-  margin-right: calc(var(--#{$variable-prefix}gutter-x) / -2); // stylelint-disable-line function-disallowed-list
-  margin-left: calc(var(--#{$variable-prefix}gutter-x) / -2); // stylelint-disable-line function-disallowed-list
+  margin-right: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
+  margin-left: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
 }
 
 @mixin make-col-ready($gutter: $grid-gutter-width) {
@@ -21,14 +21,20 @@
   flex-shrink: 0;
   width: 100%;
   max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid
-  padding-right: calc(var(--#{$variable-prefix}gutter-x) / 2); // stylelint-disable-line function-disallowed-list
-  padding-left: calc(var(--#{$variable-prefix}gutter-x) / 2); // stylelint-disable-line function-disallowed-list
+  padding-right: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
+  padding-left: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
   margin-top: var(--#{$variable-prefix}gutter-y);
 }
 
-@mixin make-col($size, $columns: $grid-columns) {
-  flex: 0 0 auto;
-  width: percentage($size / $columns);
+@mixin make-col($size: false, $columns: $grid-columns) {
+  @if $size {
+    flex: 0 0 auto;
+    width: percentage(divide($size, $columns));
+
+  } @else {
+    flex: 1 1 0;
+    max-width: 100%;
+  }
 }
 
 @mixin make-col-auto() {
@@ -37,7 +43,7 @@
 }
 
 @mixin make-col-offset($size, $columns: $grid-columns) {
-  $num: $size / $columns;
+  $num: divide($size, $columns);
   margin-left: if($num == 0, 0, percentage($num));
 }
 
@@ -49,7 +55,7 @@
 @mixin row-cols($count) {
   > * {
     flex: 0 0 auto;
-    width: 100% / $count;
+    width: divide(100%, $count);
   }
 }
 
@@ -118,3 +124,27 @@
     }
   }
 }
+
+@mixin make-cssgrid($columns: $grid-columns, $breakpoints: $grid-breakpoints) {
+  @each $breakpoint in map-keys($breakpoints) {
+    $infix: breakpoint-infix($breakpoint, $breakpoints);
+
+    @include media-breakpoint-up($breakpoint, $breakpoints) {
+      @if $columns > 0 {
+        @for $i from 1 through $columns {
+          .g-col#{$infix}-#{$i} {
+            grid-column: auto / span $i;
+          }
+        }
+
+        // Start with `1` because `0` is and invalid value.
+        // Ends with `$columns - 1` because offsetting by the width of an entire row isn't possible.
+        @for $i from 1 through ($columns - 1) {
+          .g-start#{$infix}-#{$i} {
+            grid-column-start: $i;
+          }
+        }
+      }
+    }
+  }
+}