diff --git a/__pycache__/begin.cpython-312.pyc b/__pycache__/begin.cpython-312.pyc
index ecc4f9e..a3dc2f5 100644
Binary files a/__pycache__/begin.cpython-312.pyc and b/__pycache__/begin.cpython-312.pyc differ
diff --git a/templates/404.html b/templates/404.html
index 28f953c..6b74989 100644
--- a/templates/404.html
+++ b/templates/404.html
@@ -76,17 +76,20 @@
     </style>
 </head>
 <body>
+    {% extends "base.html" %}
 
-<div class="container">
-    <div>
-        <h1>404</h1>
-        <h2>Oops! Page Not Found</h2>
-        <img src="https://via.placeholder.com/300x300?text=Oops" alt="Error Image" class="error-image">
-        <p>It looks like the page you are trying to reach doesn't exist.</p>
-        <p>But don't worry, you can go back to the homepage by clicking the button below.</p>
-        <a href="/" class="home-link">Go Home</a>
-    </div>
-</div>
+    {% block content %}
+        <div class="container">
+            <div>
+                <h1>404</h1>
+                <h2>Oops! Page Not Found</h2>
+                <img src="https://via.placeholder.com/300x300?text=Oops" alt="Error Image" class="error-image">
+                <p>It looks like the page you are trying to reach doesn't exist.</p>
+                <p>But don't worry, you can go back to the homepage by clicking the button below.</p>
+                <a href="/" class="home-link">Go Home</a>
+            </div>
+        </div>
+    {% endblock %}
 
 </body>
 </html>
diff --git a/templates/500.html b/templates/500.html
index 4eefa75..347d499 100644
--- a/templates/500.html
+++ b/templates/500.html
@@ -79,15 +79,17 @@
     </style>
 </head>
 <body>
-
-<div class="container">
-    <h1>500</h1>
-    <h2>Internal Server Error</h2>
-    <img src="https://via.placeholder.com/300x300?text=Error" alt="Error Image" class="error-image">
-    <p>Something went wrong on our end. We're working on fixing it!</p>
-    <p>Please try again later, or reload the page.</p>
-    <a href="javascript:location.reload()" class="reload-link">Reload Page</a>
-</div>
+    {% extends "base.html" %}
+    {% block content %}
+        <div class="container">
+            <h1>500</h1>
+            <h2>Internal Server Error</h2>
+            <img src="https://via.placeholder.com/300x300?text=Error" alt="Error Image" class="error-image">
+            <p>Something went wrong on our end. We're working on fixing it!</p>
+            <p>Please try again later, or reload the page.</p>
+            <a href="javascript:location.reload()" class="reload-link">Reload Page</a>
+        </div>
+    {% endblock %}0
 
 </body>
 </html>
diff --git a/templates/base.html b/templates/base.html
new file mode 100644
index 0000000..471499c
--- /dev/null
+++ b/templates/base.html
@@ -0,0 +1,28 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <!-- Required meta tags -->
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+
+    <title>Hello, world!</title>
+  </head>
+  <body>
+    {% include "navbar.html" %}
+    <br/>
+    <div class="container">
+        {% block content %}
+        {% endblock %}    
+    </div>
+
+    <!-- Optional JavaScript -->
+    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
+    <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script>
+    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
+  </body>
+</html>
+
diff --git a/templates/index.html b/templates/index.html
index c4d0709..d4d6cca 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -6,8 +6,12 @@
     <title>Main</title>
 </head>
 <body>
-    <h1>Hello World</h1>
-    <p style="font-size: 5ch; color: blueviolet; font-weight: bold; font-style: italic;">This is a test</p>
+    {% extends "base.html" %}
 
+    {% block content %}
+        <h1>Hello World</h1>
+        <p style="font-size: 5ch; color: blueviolet; font-weight: bold; font-style: italic;">This is a test</p>
+
+    {% endblock %}
 </body>
 </html>
\ No newline at end of file
diff --git a/templates/navbar.html b/templates/navbar.html
new file mode 100644
index 0000000..319f48d
--- /dev/null
+++ b/templates/navbar.html
@@ -0,0 +1,23 @@
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo01" aria-controls="navbarTogglerDemo01" aria-expanded="false" aria-label="Toggle navigation">
+      <span class="navbar-toggler-icon"></span>
+    </button>
+    <div class="collapse navbar-collapse" id="navbarTogglerDemo01">
+      <a class="navbar-brand" href="{{ url_for('index') }}">Hidden brand</a>
+      <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
+        <li class="nav-item active">
+          <a class="nav-link" href="/">Home <span class="sr-only">(current)</span></a>
+        </li>
+        <li class="nav-item">
+          <a class="nav-link" href="/user/Jake">Jake</a>
+        </li>
+        <li class="nav-item">
+            <a class="nav-link" href="{{url_for('user', name = 'John')}}">John</a>
+          </li>
+      </ul>
+      <form class="form-inline my-2 my-lg-0">
+        <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
+        <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
+      </form>
+    </div>
+  </nav>
\ No newline at end of file
diff --git a/templates/user.html b/templates/user.html
index d6d55f1..19332df 100644
--- a/templates/user.html
+++ b/templates/user.html
@@ -6,29 +6,33 @@
     <title>{{name | capitalize}}'s page</title>
 </head>
 <body>
-    <h1>Hello {{name | upper}}!!</h1>       <!--This makes the whole thing capitalised-->
-    <h1>Hello {{name | capitalize}}!!</h1>   <!--This makes the first char capitalised-->
-    <h1>Hello {{name | lower}}!!</h1>
-    <h1>Hello {{name | title}}!!</h1>
-    <p>{{ stuff }}</p>
-    <p>{{ stuff |  safe }}</p>       <!--This will allow html codes to be loaded-->
-    <p>{{ stuff | striptags }}</p>   <!--This will remove html tags from the string-->
+    {% extends "base.html" %}
 
-    {% for item in liste %}
-        {% if item == 3 %}
-            <p>Thiiiiiiiiis is number THREEEEEEEEE!!!!</p> 
-        {% else %}
-            <p style="font-size: 5ch; font-style: oblique; color: chocolate;">{{ item }}</p>
-        {% endif %}
-    {% endfor %}
+    {% block content %}
+        <h1>Hello {{name | upper}}!!</h1>       <!--This makes the whole thing capitalised-->
+        <h1>Hello {{name | capitalize}}!!</h1>   <!--This makes the first char capitalised-->
+        <h1>Hello {{name | lower}}!!</h1>
+        <h1>Hello {{name | title}}!!</h1>
+        <p>{{ stuff }}</p>
+        <p>{{ stuff |  safe }}</p>       <!--This will allow html codes to be loaded-->
+        <p>{{ stuff | striptags }}</p>   <!--This will remove html tags from the string-->
 
-    <h1>Sahe thing with some math!</h1>
+        {% for item in liste %}
+            {% if item == 3 %}
+                <p>Thiiiiiiiiis is number THREEEEEEEEE!!!!</p> 
+            {% else %}
+                <p style="font-size: 5ch; font-style: oblique; color: chocolate;">{{ item }}</p>
+            {% endif %}
+        {% endfor %}
 
-    {% for item in liste %}
-        <p style="font-size: 5ch; font-style: oblique; color: chocolate;">{{ item **25 }}</p>
-    {% endfor %}
+        <h1>Sahe thing with some math!</h1>
 
-    <p>The last element of my list is: {{liste[4]}}</p>
+        {% for item in liste %}
+            <p style="font-size: 5ch; font-style: oblique; color: chocolate;">{{ item **25 }}</p>
+        {% endfor %}
+
+        <p>The last element of my list is: {{liste[4]}}</p>
+    {% endblock %}
 
 </body>
 </html>
\ No newline at end of file
