Tons of changes, all of which I've forgotten. A number of refactors

exist. Nav menu partly operational on mobile.

src/partials/_a_layouts.scss

@@ -1,10 +1,10 @@
 .layout_row {
     display: grid;
     grid-auto-flow: column;
-    gap: var(--spacing-horizontal);
+    gap: var(--spacing-small);
 
     .item {
-        padding: calc(var(--spacing-horizontal) * 2);
+        padding: calc(var(--spacing-small) * 2);
 
         background-color: var(--background-1);
         border-radius: var(--border-radius-leaf);
@@ -16,7 +16,7 @@
 }
 
 .layout_row + .layout_row {
-    margin-top: var(--spacing-horizontal);
+    margin-top: var(--spacing-small);
 }
 
 @media only screen and (max-width: 500px) {