diff --git a/_templates/head.php b/_templates/head.php
new file mode 100644
index 0000000000000000000000000000000000000000..82c842db06d77b51809382083f7b5836133752ce
--- /dev/null
+++ b/_templates/head.php
@@ -0,0 +1,22 @@
+<head>
+    <script src="/photogram-project-php/assets/js/color-modes.js"></script>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="description" content="">
+    <meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
+    <meta name="generator" content="Hugo 0.122.0">
+    <title>Album example · Bootstrap v5.3</title>
+
+    <link rel="canonical" href="https://getbootstrap.com/docs/5.3/examples/album/">
+
+    
+
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3">
+
+    <link href="/photogram-project-php/assets/dist/css/bootstrap.min.css" rel="stylesheet">
+
+    <!-- Style for login forms -->
+    <link href="/photogram-project-php/assets/dist/css/login-in.css" rel="stylesheet">
+    
+</head>
\ No newline at end of file
diff --git a/_templates/header.php b/_templates/header.php
index eb81b9d82080ab1d5fbe1ef7f1c21c24cafcfb4e..84306570d1b9e6d5e7184491ca0d58e8f87d2941 100644
--- a/_templates/header.php
+++ b/_templates/header.php
@@ -1,3 +1,4 @@
+<header data-bs-theme="dark">
 <!-- Header content -->
 <div class="collapse text-bg-dark" id="navbarHeader">
     <div class="container">
@@ -17,6 +18,7 @@
       </div>
     </div>
   </div>
+
 <!-- Header Bar -->
 <div class="navbar navbar-dark bg-dark shadow-sm">
     <div class="container">
@@ -28,4 +30,5 @@
         <span class="navbar-toggler-icon"></span>
       </button>
     </div>
-  </div>
\ No newline at end of file
+  </div>
+</header>
\ No newline at end of file
diff --git a/_templates/login-content.php b/_templates/login-content.php
index 408b99c30e054f5ae4ec580b709b6c55e208725b..c2e2de86545695b0fe35094f6886721b55900cc7 100644
--- a/_templates/login-content.php
+++ b/_templates/login-content.php
@@ -3,6 +3,7 @@
   $username = $_POST['email'];
   $password = $_POST['password'];
   $validate = validate_credentials($username, $password);
+  
   if($validate){?>
   <!-- If it is true is display true page -->
   <main class="container">
diff --git a/index.php b/index.php
index f4d92b67a8978ee63f8a19f7faefeb2fe41c05a1..1bad3063e078c707e93457ba44ad13725883b2e7 100644
--- a/index.php
+++ b/index.php
@@ -5,24 +5,11 @@ include 'libs/load.php';
 
 <!doctype html>
 <html lang="en" data-bs-theme="auto">
-  <head><script src="/photogram-project-php/assets/js/color-modes.js"></script>
-
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="description" content="">
-    <meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
-    <meta name="generator" content="Hugo 0.122.0">
-    <title>Album example · Bootstrap v5.3</title>
-
-    <link rel="canonical" href="https://getbootstrap.com/docs/5.3/examples/album/">
-
-    
-
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3">
-
-<link href="/photogram-project-php/assets/dist/css/bootstrap.min.css" rel="stylesheet">
-
-    <style>
+  <!-- To load head -->
+  <?load_template('head')?>
+<body>
+  <!-- Style for toggle button -->
+  <style>
       .bd-placeholder-img {
         font-size: 1.125rem;
         text-anchor: middle;
@@ -99,11 +86,7 @@ include 'libs/load.php';
       .bd-mode-toggle .dropdown-menu .active .bi {
         display: block !important;
       }
-    </style>
-
-    
-  </head>
-  <body>
+  </style>
     <!-- To change dark to light mode -->
     <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
       <symbol id="check2" viewBox="0 0 16 16">
@@ -156,12 +139,9 @@ include 'libs/load.php';
       </ul>
     </div>
 
-    
-<header data-bs-theme="dark">
 
   <!--To load header file from template  -->
   <?load_template('header')?>
-</header>
 
 <main>
 
diff --git a/login.php b/login.php
index 4ef60ed8c62a6fdeda581ae0e80d9bd11c446847..2f5532c4a26864e21fdb1dff7ca7f9dc09e277d7 100644
--- a/login.php
+++ b/login.php
@@ -5,28 +5,11 @@ include 'libs/load.php';
 
 <!doctype html>
 <html lang="en" data-bs-theme="auto">
-  <head><script src="/photogram-project-php/assets/js/color-modes.js"></script>
-
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="description" content="">
-    <meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
-    <meta name="generator" content="Hugo 0.122.0">
-    <title>Login Page</title>
-
-    <link rel="canonical" href="https://getbootstrap.com/docs/5.3/examples/album/">
-
-    
-
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3">
-
-<link href="/photogram-project-php/assets/dist/css/bootstrap.min.css" rel="stylesheet">
-
-<!-- Style for login forms -->
- <link href="/photogram-project-php/assets/dist/css/login-in.css" rel="stylesheet">
-
-
-    <style>
+  <!-- To load head -->
+  <?load_template('head')?>
+<body>
+  <!-- Style for toggle button -->
+  <style>
       .bd-placeholder-img {
         font-size: 1.125rem;
         text-anchor: middle;
@@ -103,11 +86,7 @@ include 'libs/load.php';
       .bd-mode-toggle .dropdown-menu .active .bi {
         display: block !important;
       }
-    </style>
-    
-    
-  </head>
-  <body>
+  </style>
     <!-- To change dark to light mode -->
     <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
       <symbol id="check2" viewBox="0 0 16 16">
@@ -161,11 +140,10 @@ include 'libs/load.php';
     </div>
 
     
-<header data-bs-theme="dark">
-  
+
+
   <!--To load header file from template  -->
   <?load_template('header')?>
-</header>