Update RSS elements and TOC svg

src/pages/404.astro

@@ -0,0 +1,11 @@
+---
+import PageLayout from "../layouts/PageLayout.astro";
+---
+
+<PageLayout title="404: Not found" description="Not found">
+  <p>
+    The file associated with the requested path (<code
+      >{Astro.originPathname}</code
+    >) could not be found.
+  </p>
+</PageLayout>

src/pages/blog/[slug].astro

@@ -30,18 +30,17 @@ const { Content, headings } = await render(article);
   <details class="toc sticky top-0 z-20">
     <summary
       title="Table of contents"
-      class="flex mx-auto w-fit cursor-pointer list-none p-2 border-b-2 border-transparent hover:bg-neutral-200 hover:border-neutral-400 hover:dark:bg-neutral-700 hover:dark:border-neutral-600"
+      class="flex mx-auto w-fit cursor-pointer list-none px-2 py-2.5 border-b-2 border-transparent hover:bg-neutral-200 hover:border-neutral-400 hover:dark:bg-neutral-700 hover:dark:border-neutral-600"
     >
       <svg
         xmlns="http://www.w3.org/2000/svg"
-        viewBox="0 0 24 24"
+        viewBox="0 0 20 20"
         fill="currentColor"
-        class="size-6"
+        class="size-5"
       >
         <path
-          fill-rule="evenodd"
-          d="M2.25 4.5A.75.75 0 0 1 3 3.75h14.25a.75.75 0 0 1 0 1.5H3a.75.75 0 0 1-.75-.75Zm0 4.5A.75.75 0 0 1 3 8.25h9.75a.75.75 0 0 1 0 1.5H3A.75.75 0 0 1 2.25 9Zm15-.75A.75.75 0 0 1 18 9v10.19l2.47-2.47a.75.75 0 1 1 1.06 1.06l-3.75 3.75a.75.75 0 0 1-1.06 0l-3.75-3.75a.75.75 0 1 1 1.06-1.06l2.47 2.47V9a.75.75 0 0 1 .75-.75Zm-15 5.25a.75.75 0 0 1 .75-.75h9.75a.75.75 0 0 1 0 1.5H3a.75.75 0 0 1-.75-.75Z"
-          clip-rule="evenodd"></path>
+          d="M10.75 16.82A7.462 7.462 0 0 1 15 15.5c.71 0 1.396.098 2.046.282A.75.75 0 0 0 18 15.06v-11a.75.75 0 0 0-.546-.721A9.006 9.006 0 0 0 15 3a8.963 8.963 0 0 0-4.25 1.065V16.82ZM9.25 4.065A8.963 8.963 0 0 0 5 3c-.85 0-1.673.118-2.454.339A.75.75 0 0 0 2 4.06v11a.75.75 0 0 0 .954.721A7.506 7.506 0 0 1 5 15.5c1.579 0 3.042.487 4.25 1.32V4.065Z"
+        ></path>
       </svg>
     </summary>
     <div

src/pages/blog/index.astro

@@ -13,7 +13,7 @@ const sortedArticles = allArticles.sort((a, b) => {
   <ul>
     {
       sortedArticles.map((article) => (
-        <li class="flex gap-2">
+        <li>
           <Date date={article.data.pubDate} />
           <span>&raquo;</span>
           <a

src/pages/contact.astro

@@ -1,7 +0,0 @@
----
-import PageLayout from "../layouts/PageLayout.astro";
----
-
-<PageLayout title="Contact" description="Contact">
-  <p>Example content</p>
-</PageLayout>

src/pages/rss.xml.js

@@ -6,12 +6,24 @@ const parser = new MarkdownIt();
 
 export const GET = async (context) => {
   const blog = await getCollection("blog");
+
+  const latestModDate = blog.reduce((latest, article) => {
+    const modDate = article.data.modDate || article.data.pubDate;
+    return modDate > latest ? modDate : latest;
+  }, new Date(0));
+
   return rss({
-    title: "Thilo Hohlt’s Blog",
-    description: "Thilo Hohlt’s Blog",
+    title: "Thilo Hohlt's Blog",
+    description: "Thilo Hohlt's Blog",
     site: context.site,
     trailingSlash: false,
-    stylesheet: "pretty-feed-v3.xsl",
+    xmlns: {
+      atom: "http://www.w3.org/2005/Atom",
+    },
+    customData: `
+      <lastBuildDate>${latestModDate.toUTCString()}</lastBuildDate>
+      <atom:link href="${context.site}rss.xml" rel="self" type="application/rss+xml" />
+    `,
     items: blog.map((article) => ({
       link: `/blog/${article.id}/`,
       content: sanitizeHtml(parser.render(article.body), {