diff --git a/src/pages/blog/[slug].astro b/src/pages/blog/[slug].astro
index 2410bc7..70c6365 100644
--- a/src/pages/blog/[slug].astro
+++ b/src/pages/blog/[slug].astro
@@ -27,7 +27,9 @@ const { Content, headings } = await render(article);
   modDate={article.data.modDate}
   {slug}
 >
-  <details class="toc sticky top-0 z-20">
+  <details
+    class="toc sticky top-10 z-10 -translate-y-px border border-neutral-300 bg-white dark:border-neutral-600 dark:bg-neutral-800"
+  >
     <summary
       title="Table of contents"
       class="mx-auto flex w-fit cursor-pointer list-none border-b-2 border-transparent px-2 py-2.5 hover:border-neutral-300 hover:bg-neutral-200 hover:dark:border-neutral-600 hover:dark:bg-neutral-700"
@@ -44,7 +46,7 @@ const { Content, headings } = await render(article);
       </svg>
     </summary>
     <div
-      class="not-prose max-h-[calc(100vh-4rem)] overflow-y-scroll border border-neutral-300 bg-white p-2 dark:border-neutral-600 dark:bg-neutral-800"
+      class="not-prose max-h-[calc(100vh-4rem)] overflow-y-scroll bg-white p-2"
     >
       <p class="text-center">
         <strong class="text-sm">Table of Contents</strong>