diff --git a/src/lab/exp1/Theory.html b/src/lab/exp1/Theory.html
index 0214ef8..337f050 100644
--- a/src/lab/exp1/Theory.html
+++ b/src/lab/exp1/Theory.html
@@ -63,6 +63,10 @@
                         <li class="page-scroll menu-li ">
                            <a class="menu-a" href="http://vlab.co.in/contact-us">CONTACT</a>
                         </li>
+                        <li class="page-scroll menu-li ">
+                           <input type="text" placeholder="search..">
+                        </li>
+                           
                      </ul>
                   </div>
                   <!-- /.navbar-collapse -->