diff --git a/src/layouts/MainGridLayout.astro b/src/layouts/MainGridLayout.astro
index 119937ad3..cf80ce0d4 100644
--- a/src/layouts/MainGridLayout.astro
+++ b/src/layouts/MainGridLayout.astro
@@ -63,7 +63,7 @@ const mainPanelTop = siteConfig.banner.enable
 <div class="absolute w-full z-30 pointer-events-none" style=`top: ${mainPanelTop}`>
     <!-- The pointer-events-none here prevent blocking the click event of the TOC -->
     <div class="relative max-w-[var(--page-width)] mx-auto pointer-events-auto">
-        <div id="main-grid" class="transition duration-700 w-full left-0 right-0 grid grid-cols-[17.5rem_auto] grid-rows-[auto_auto_1fr] lg:grid-rows-[auto_1fr]
+        <div id="main-grid" class="transition duration-700 w-full left-0 right-0 grid grid-cols-[17.5rem_auto] grid-rows-[auto_auto_auto] lg:grid-rows-[auto_1fr]
     mx-auto gap-4 px-4 md:px-4"
         >
             <!-- Banner image credit -->