rewrite markdown

Signed-off-by: Ayane <ayane@vignetteapp.org>

home_content/en.md

@@ -1,8 +1,6 @@
 ![Herta's card](/assets/img/card_en.jpg)
 
-<details>
-<summary>Credits</summary>
-<br>
+## Credits
 <ul>
     <li>        
         <a href="https://github.com/duiqt">@duiqt</a> for the original website.
@@ -10,4 +8,4 @@
     <li>        
         <a href="https://twitter.com/Seseren_kr">@Seseren_kr</a> for the Herta GIF.
     </li>
-</details>
+</ul>

islands/Footer.tsx

@@ -1,6 +1,6 @@
 export default function Footer() {
   return (
-    <footer class="fixed bottom-0 left-0 z-20 w-full p-4 bg-white border-t border-gray-300 shadow md:flex md:items-center md:justify-between md:p-6">
+    <footer class="bottom-0 left-0 z-20 w-full p-4 bg-white border-t border-gray-300 shadow md:flex md:items-center md:justify-between md:p-6">
       <span class="text-sm text-gray-500 sm:text-center">
         © 2023{" "}
         <a href="https://git.io/sr229" class="hover:underline">Ayase Minori</a>.

routes/index.tsx

@@ -98,7 +98,7 @@ export default function Home(
           />
         </div>
       </div>
-      <div class="px-4 py-8 mx-auto bg-white items-center justify-center">
+      <div class="px-4 py-8 aspect-square mx-8 my-8 bg-white items-center justify-center">
         <style dangerouslySetInnerHTML={{ __html: CSS }} />
         <div
           class="markdown-body"