diff --git a/__pycache__/begin.cpython-312.pyc b/__pycache__/begin.cpython-312.pyc
index 195e063..ecc4f9e 100644
Binary files a/__pycache__/begin.cpython-312.pyc and b/__pycache__/begin.cpython-312.pyc differ
diff --git a/begin.py b/begin.py
index a6bbf7c..4c908bf 100644
--- a/begin.py
+++ b/begin.py
@@ -23,4 +23,12 @@ def user(name):
     liste = [1,2,3,4,5]
     return render_template('user.html', name=name, 
                            stuff=stuff,
-                           liste=liste)
\ No newline at end of file
+                           liste=liste)
+
+@app.errorhandler(404)
+def page_not_found(e):
+    return render_template('404.html')
+
+@app.errorhandler(500)
+def page_not_found(e):
+    return render_template('500.html')
\ No newline at end of file
diff --git a/templates/404.html b/templates/404.html
new file mode 100644
index 0000000..28f953c
--- /dev/null
+++ b/templates/404.html
@@ -0,0 +1,92 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>404 - Page Not Found</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body, html {
+            height: 100%;
+            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+            background-color: #f1f1f1;
+        }
+
+        .container {
+            height: 100%;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            text-align: center;
+            background-color: #f1f1f1;
+        }
+
+        h1 {
+            font-size: 10rem;
+            color: #FF6347;
+            letter-spacing: 1rem;
+            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
+            animation: bounce 1s infinite;
+        }
+
+        h2 {
+            font-size: 2rem;
+            color: #555;
+        }
+
+        p {
+            margin: 20px 0;
+            font-size: 1.2rem;
+            color: #777;
+        }
+
+        .home-link {
+            padding: 12px 30px;
+            background-color: #FF6347;
+            color: #fff;
+            text-decoration: none;
+            font-size: 1.2rem;
+            border-radius: 50px;
+            transition: background-color 0.3s;
+        }
+
+        .home-link:hover {
+            background-color: #ff4500;
+        }
+
+        @keyframes bounce {
+            0%, 100% {
+                transform: translateY(0);
+            }
+            50% {
+                transform: translateY(-10px);
+            }
+        }
+
+        .error-image {
+            width: 300px;
+            height: auto;
+            margin: 20px auto;
+        }
+    </style>
+</head>
+<body>
+
+<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>
+
+</body>
+</html>
diff --git a/templates/500.html b/templates/500.html
new file mode 100644
index 0000000..4eefa75
--- /dev/null
+++ b/templates/500.html
@@ -0,0 +1,93 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>500 - Internal Server Error</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body, html {
+            height: 100%;
+            font-family: 'Arial', sans-serif;
+            background-color: #f5f5f5;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+        }
+
+        .container {
+            text-align: center;
+        }
+
+        h1 {
+            font-size: 8rem;
+            color: #ff6b6b;
+            letter-spacing: 0.5rem;
+            text-shadow: 3px 3px 5px rgba(0, 0, 0, 0.1);
+            animation: pulse 1s infinite alternate;
+        }
+
+        h2 {
+            font-size: 2.5rem;
+            color: #333;
+            margin-bottom: 20px;
+        }
+
+        p {
+            font-size: 1.2rem;
+            color: #666;
+            margin: 20px 0;
+        }
+
+        .reload-link {
+            display: inline-block;
+            padding: 12px 25px;
+            background-color: #ff6b6b;
+            color: #fff;
+            text-decoration: none;
+            font-size: 1.2rem;
+            border-radius: 50px;
+            transition: background-color 0.3s;
+            margin-top: 20px;
+        }
+
+        .reload-link:hover {
+            background-color: #ff4747;
+        }
+
+        .error-image {
+            width: 300px;
+            height: auto;
+            margin: 30px auto;
+            border-radius: 50%;
+            box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
+        }
+
+        @keyframes pulse {
+            from {
+                transform: scale(1);
+            }
+            to {
+                transform: scale(1.05);
+            }
+        }
+    </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>
+
+</body>
+</html>
