diff --git a/themes/hexo/components/NavButtonGroup.js b/themes/hexo/components/NavButtonGroup.js
index d32a25f1..0dd7111a 100644
--- a/themes/hexo/components/NavButtonGroup.js
+++ b/themes/hexo/components/NavButtonGroup.js
@@ -14,7 +14,7 @@ const NavButtonGroup = (props) => {
   }
 
   return (
-    <nav id='home-nav-button' className={'w-full md:h-52 md:mt-6 xl:mt-32 px-5 py-2 mt-8 flex flex-wrap md:max-w-5xl space-y-2 md:space-y-0 md:flex justify-center max-h-80 overflow-auto'}>
+    <nav id='home-nav-button' className={'w-full z-10 md:h-52 md:mt-6 xl:mt-32 px-5 py-2 mt-8 flex flex-wrap md:max-w-5xl space-y-2 md:space-y-0 md:flex justify-center max-h-80 overflow-auto'}>
       {categoryOptions.map(category => {
         return (
           <Link