pages/[...slug].vue

@@ -1,12 +1,20 @@
 <template>
   <ContentDoc tag="article" class="prose dark:prose-invert">
-    <template #not-found> Document not found </template>
+    <template #not-found>
+      <!-- 404 -->
+      <main class="prose dark:prose-invert">
+        <h1>404 - Not Found</h1>
+        <p>Maybe you can find somewhere else?</p>
+      </main>
+    </template>
   </ContentDoc>
 </template>
 
 <style>
-article {
+article,
+main {
   width: 90%;
   height: 100%;
+  padding-top: 2rem;
 }
 </style>