diff --git a/src/tjts5901/templates/addItem.html b/src/tjts5901/templates/addItem.html
index 310b969c9d19f2a4ef0f520d260c55e787809bcc..46734121041f4c47a7fc4d7d7019e06b2a3fd102 100644
--- a/src/tjts5901/templates/addItem.html
+++ b/src/tjts5901/templates/addItem.html
@@ -1,43 +1,31 @@
-<!DOCTYPE html>
-<html lang="en">
-    <head>
-        <meta charset="utf-8">
-        <title>Add item</title>
-        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD" crossorigin="anonymous">
-    </head>
-    <body>
-        <header>
+{% extends 'base.html' %}
 
-        </header>
-        <main>
-            <form class="container-fluid" action="{{ url_for('views.add_item') }}" method="POST" enctype="multipart/form-data">
-                <div class="container">
-                    <div class="mb-3">
-                        <label for="email" class="form-label">Email address</label>
-                        <input type="email" class="form-control" id="email" name="email" aria-describedby="emailHelp">
-                    </div>
-                    <div class="mb-3">
-                        <label for="nItem" class="form-label">Item's name</label>
-                        <input type="text" class="form-control" id="nItem" name="nItem">
-                    </div>
-                    <div class="mb-3">
-                        <label for="description" class="form-label">Description</label>
-                        <textarea class="form-control" id="description" name="description" maxlength="700"></textarea>
-                    </div>
-                    <div class="mb-3">
-                        <label for="sPrice" class="form-label">Starting price</label>
-                        <input type="number" class="form-control" id="sPrice" name="sPrice" min="0" max="100000000">
-                    </div>
-                    <div class="mb-3">
-                        <label for="image" class="form-label">Image</label>
-                        <input type="file" class="form-control" id="image" name="image">                    
-                    </div>
-                    <button type="submit" class="btn btn-primary">Submit</button>
-                </div>
-            </form>
-        </main>
-        <footer>
+{% block header %}
+<h1>{% block title %}Access tokens{% endblock %}</h1>
+{% endblock %}
 
-        </footer>
-    </body>
-</html>
\ No newline at end of file
+{% block content %}
+<div class="container">
+    <div class="mb-3">
+        <label for="email" class="form-label">Email address</label>
+        <input type="email" class="form-control" id="email" name="email" aria-describedby="emailHelp">
+    </div>
+    <div class="mb-3">
+        <label for="nItem" class="form-label">Item's name</label>
+        <input type="text" class="form-control" id="nItem" name="nItem">
+    </div>
+    <div class="mb-3">
+        <label for="description" class="form-label">Description</label>
+        <textarea class="form-control" id="description" name="description" maxlength="700"></textarea>
+    </div>
+    <div class="mb-3">
+        <label for="sPrice" class="form-label">Starting price</label>
+        <input type="number" class="form-control" id="sPrice" name="sPrice" min="0" max="100000000">
+    </div>
+    <div class="mb-3">
+        <label for="image" class="form-label">Image</label>
+        <input type="file" class="form-control" id="image" name="image">
+    </div>
+    <button type="submit" class="btn btn-primary">Submit</button>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/src/tjts5901/templates/listBid.html b/src/tjts5901/templates/listBid.html
index 38c1d1e20e2b38793a5e5932e6ea365da8c0f7d3..be83e8dfbb6777cf117d03aeeb3ff9c6f31da604 100644
--- a/src/tjts5901/templates/listBid.html
+++ b/src/tjts5901/templates/listBid.html
@@ -1,5 +1,10 @@
-<!DOCTYPE html>
-<html lang="en">
+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Access tokens{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
     <head>
         <meta charset="utf-8">
         <title>View items</title>
@@ -51,4 +56,5 @@
 
         </footer>
     </body>
-</html>
\ No newline at end of file
+</html>
+{% endblock %}
\ No newline at end of file