Width fixup

pico.css

@@ -123,7 +123,7 @@ body {
             'posts media'
             'actions media'
         ;
-        grid-template-columns: 1fr 4fr;
+        grid-template-columns: 320px 1fr;
         grid-template-rows: auto 1fr auto;
         height: calc(100vh - 2 * var(--pad));
     }