diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..7d1b8dd
Binary files /dev/null and b/.DS_Store differ
diff --git a/index.html b/index.html
index 23206b2..7f4fae6 100644
--- a/index.html
+++ b/index.html
@@ -4,17 +4,23 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Document</title>
+    <link rel="stylesheet" href="style.css">
 </head>
 <body>
-    <!-- //login form -->
-     <form action="/login" method="post">
-        <label for="username">Username:</label>
-        <input type="text" id="username" name="username" required>
-        <br>
-        <label for="password">Password:</label>
-        <input type="password" id="password" name="password" required>
-        <br>
-        <button type="submit">Login</button>
-        
+    <div class="container">
+        <h2>Login Form</h2>
+        <form>
+            <label>Username</label>
+            <input type="text" required>
+            <label>Password</label>
+            <input type="password" required>
+            <label>Age</label>
+            <select id="age">
+                <option value="">Select Age</option>
+            </select>
+            <button>Login</button>
+        </form>
+    </div>
+<script src="script.js" defer></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/script.js b/script.js
index e69de29..e4ea1b2 100644
--- a/script.js
+++ b/script.js
@@ -0,0 +1,9 @@
+const age=document.getElementById("age");
+for(let i=1;i<=99;i++){
+    let opt=document.createElement("option");
+    opt.text=i;
+    age.add(opt);
+}
+age.onchange=function(){
+    document.body.style.background="#ff9a9e";
+};
\ No newline at end of file
diff --git a/style.css b/style.css
index e69de29..c27c914 100644
--- a/style.css
+++ b/style.css
@@ -0,0 +1,25 @@
+body{
+    margin:0;
+    height:100vh;
+    display:flex;
+    justify-content:center;
+    align-items:center;
+    background:#74ebd5;
+    font-family:Arial;
+}
+.container{
+    background:#fff;
+    padding:20px;
+    border-radius:8px;
+    width:250px;
+}
+input,select,button{
+    width:100%;
+    margin:5px 0;
+    padding:6px;
+}
+button{
+    background:#4CAF50;
+    color:white;
+    border:none;
+}
\ No newline at end of file
