diff --git a/src/components/menutab/MenuTab.js b/src/components/menutab/MenuTab.js
index d224b60..a58432c 100644
--- a/src/components/menutab/MenuTab.js
+++ b/src/components/menutab/MenuTab.js
@@ -6,19 +6,17 @@ export default function MenuTab({ items, activeIndex, onTabChange, sidebarVisibl
   return (
     <div className="w-[100%] relative">
       <TabMenu
-        className="w-full bg-transparent border-none"
+        className="w-full"
         model={items}
         activeIndex={activeIndex}
         onTabChange={e => onTabChange(e.index)}
         pt={{
-          tabmenu: {
-            menu: ({ context }) => ({
-              className: 'bg-transparent border-none',
-            }),
-            action: ({ context }) => ({
-              className: 'bg-transparent border-none',
-            }),
-          },
+          menu: { className: 'bg-transparent border-none my-2 py-1' },
+          action: ({ context, parent }) => ({
+            className:
+              'cursor-pointer select-none flex items-center relative no-underline overflow-hidden p-4 font-bold rounded-t-lg',
+            style: { top: '2px' },
+          })
         }}
       />
       
diff --git a/src/config/appConfig.js b/src/config/appConfig.js
index 092e7da..a8325ba 100644
--- a/src/config/appConfig.js
+++ b/src/config/appConfig.js
@@ -11,8 +11,7 @@ const appConfig = {
   ],
   authorPubkeys: [
     'f33c8a9617cb15f705fc70cd461cfd6eaf22f9e24c33eabad981648e5ec6f741',
-    'c67cd3e1a83daa56cff16f635db2fdb9ed9619300298d4701a58e68e84098345',
-    '6260f29fa75c91aaa292f082e5e87b438d2ab4fdf96af398567b01802ee2fcd4',
+    'c67cd3e1a83daa56cff16f635db2fdb9ed9619300298d4701a58e68e84098345'
   ],
   customLightningAddresses: [
     {
diff --git a/src/pages/course/[slug]/index.js b/src/pages/course/[slug]/index.js
index ef8b6fa..11fe31e 100644
--- a/src/pages/course/[slug]/index.js
+++ b/src/pages/course/[slug]/index.js
@@ -515,9 +515,9 @@ const Course = () => {
 
   return (
     <>
-      <div className="mx-auto px-8 max-mob:px-0 mb-12 mt-4">
+      <div className="mx-auto px-8 max-mob:px-0 mb-12 mt-2">
         {/* Tab navigation using MenuTab component */}
-        <div className="z-10 bg-transparent border-b border-gray-700/30"
+        <div className="z-10 bg-transparent"
              style={{ 
                top: `${navbarHeight}px`,
                height: `${navbarHeight}px`