use row-reverse instead of order to swap toc and article

Author: mojavelinux

src/css/main.css

@@ -16,14 +16,14 @@
 
   main > .content {
     display: flex;
+    flex-direction: row-reverse;
   }
 
   aside.toc.embedded {
     display: none;
   }
 
   aside.toc.sidebar {
-    order: 1;
     flex: 0 0 var(--toc-width);
   }
 }