increase bottom margin

src/layout.tsx

···
   });
 
   return (
-    <div id="main" class="m-4 flex flex-col items-center text-neutral-900 dark:text-neutral-200">
+    <div
+      id="main"
+      class="m-4 mb-8 flex flex-col items-center text-neutral-900 dark:text-neutral-200"
+    >
       <MetaProvider>
         <Show when={location.pathname !== "/"}>
           <Meta name="robots" content="noindex, nofollow" />