diff --git a/frontend/image/cont.png b/frontend/image/cont.png
new file mode 100644
index 0000000..be65004
Binary files /dev/null and b/frontend/image/cont.png differ
diff --git a/frontend/image/scrolltop.png b/frontend/image/scrolltop.png
new file mode 100644
index 0000000..c2ed172
Binary files /dev/null and b/frontend/image/scrolltop.png differ
diff --git a/frontend/image/setups.png b/frontend/image/setups.png
new file mode 100644
index 0000000..bce0d39
Binary files /dev/null and b/frontend/image/setups.png differ
diff --git a/frontend/image/voice_as.gif b/frontend/image/voice_as.gif
new file mode 100644
index 0000000..45044bc
Binary files /dev/null and b/frontend/image/voice_as.gif differ
diff --git a/frontend/index.html b/frontend/index.html
index b9a0e07..ec108f9 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -103,18 +103,18 @@
                     <a href="#features">Features</a></li>
 
                 <li>
-                    <img class="icon1" src="image/setup.png" alt="">
+                    <img class="icon1" src="image/setups.png" alt="">
                     <a href="#setup">Setup</a></li>
 
                 <li>
-                    <img class="icon1" src="image/contact_us.jpg" alt="">
+                    <img class="icon1" src="image/cont.png" alt="">
                     <a href="contact.html">Contact</a></li>
 
                 <img id="icon" src="image/light_mode_24dp_E8EAED_FILL0_wght400_GRAD0_opsz24.svg">
             </ul>
         </nav>
         <div class="header-content">
-            <img src="image/ voice.png" alt="Voice Assistant Image" class="header-image" /> <!-- Add image here -->
+            <img src="image/voice_as.gif" alt="Voice Assistant Image" class="header-image" /> <!-- Add image here -->
             <h1 class="main_topic">Python Voice Assistant with Gemini AI</h1>
             <p class="main_para">A smart, AI-powered voice assistant that simplifies your living!</p>
 
@@ -262,7 +262,7 @@ <h2>Contact Us</h2>
             </div>
     </footer>
     <a href="#" class="to_top" id="scroll_top_btn">
-        <img class="scroll_back" src="image/scroll_top.png">
+        <img class="scroll_back" src="image/scrolltop.png">
     </a>
 
     <script>
diff --git a/frontend/script.js b/frontend/script.js
index 60dba8a..4098e64 100644
--- a/frontend/script.js
+++ b/frontend/script.js
@@ -1,3 +1,9 @@
+// change navbar style on scroll
+
+window.addEventListener('scroll', () =>{
+    document.querySelector('nav').classList.toggle('window-scroll', window.scrollY > 0 )
+})
+
 // Smooth scroll for anchor links
 document.querySelectorAll('a[href^="#"]').forEach(anchor => {
     anchor.addEventListener('click', function(e) {
diff --git a/frontend/style.css b/frontend/style.css
index f298a21..5e39a1c 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -35,6 +35,8 @@
     --color13: #2c3e50; /* Deep background */
     --color14: #2980b9; /* Blue for emphasized elements */
     --color15: #494d52;
+
+    --transition: all 400ms ease;
 }
 
 
@@ -51,6 +53,13 @@ body {
 }
 
 /* Navbar Styles */
+
+.window-scroll {
+    background: var(--color4);
+    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
+    transition: var(--transition);
+}
+
 #icon{
     width: 50px;
     height: 30px;
@@ -64,7 +73,7 @@ body {
 }
 
 nav {
-    background-color: var(--color4);
+    /* background-color: var(--color4); */
     display: flex;
     justify-content:space-between;
     align-items: center;
@@ -75,12 +84,15 @@ nav {
     width: 100%;
     z-index: 1000;
     box-sizing: border-box;
+    background: transparent;
 }
 
+
 nav .logo {
     color: var(--color3);
     font-size: 1.5rem;
     font-weight: bold;
+    /* background: transparent; */
 }
 
 /* Adjusted nav ul styles for inline buttons */
@@ -113,6 +125,7 @@ nav ul li a:hover {
     color: white;
 }
 
+
 /* Responsive Styles */
 /* Header Section */
 
@@ -122,7 +135,7 @@ nav ul li a:hover {
 .main-header {
     width: 100%;
     height: 100%;
-    background-color: var(--color4);
+    background:transparent;
     color: var(--color6);
     text-align: center;
     padding: 50px 20px;
@@ -280,6 +293,7 @@ nav ul li a:hover {
     font-size: 1rem;
     margin: 0; /* Remove default margin */
     color: var(--color12);
+    padding: 10%;
 }
 
  
@@ -292,6 +306,10 @@ nav ul li a:hover {
     margin: 0 auto;
 }
 
+.setup-section p {
+    margin-bottom: 20px;
+}
+
 .setup-section h2 {
     font-size: 2rem;
     margin-bottom: 20px;
@@ -320,7 +338,7 @@ nav ul li a:hover {
 
 .api-item p {
     font-size: 1rem;
-    margin-bottom: 10px;
+    margin-bottom: 20px;
 }
 
 .api-item ul {
@@ -464,11 +482,13 @@ nav ul li a:hover {
     bottom:10px;
     right: 70px;
     position: fixed;
+    
 }
 
 .scroll_back{
     height: auto;
-    width: 50px;
+    width: 58px;
+    margin-right: 10px;
 }
 
 .circle {