alternate pages wip

assets/sass/_theme/blocks/pages.sass

@@ -181,3 +181,11 @@
                     display: block
                     li + li
                         margin-top: $spacing0
+
+    &--alternate
+        .cards
+            article .media img
+                aspect-ratio: unset
+        @include in-page-with-sidebar
+            .cards
+                @include grid(2)