diff --git a/osinaweb/osinacore/templates/email_templates/account_activation_email.html b/osinaweb/osinacore/templates/email_templates/account_activation_email.html
index 6e7cd07e..22945365 100644
--- a/osinaweb/osinacore/templates/email_templates/account_activation_email.html
+++ b/osinaweb/osinacore/templates/email_templates/account_activation_email.html
@@ -4,13 +4,51 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Account Activation</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            line-height: 1.6;
+            margin: 0;
+            padding: 0;
+            background-color: #f9f9f9;
+            text-align: center;
+        }
+        .container {
+            max-width: 600px;
+            margin: 0 auto;
+            padding: 20px;
+            background-color: #ffffff;
+            border-radius: 8px;
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+        }
+        h2 {
+            color: #20336b;
+        }
+        p {
+            color: #374a7a;
+        }
+        .btn {
+            display: inline-block;
+            padding: 10px 20px;
+            background-color: #20336b;
+            color: #ffffff;
+            text-decoration: none;
+            border-radius: 5px;
+            transition: background-color 0.3s ease;
+        }
+        .btn:hover {
+            background-color: #374a7a;
+        }
+    </style>
 </head>
 <body>
-    <h2>Activate Your Account</h2>
-    <p>Hello {{ user.first_name }},</p>
-    <p>Thank you for signing up! Please click the link below to activate your account:</p>
-    <p><a href="{{ domain }}{% url 'activate' uidb64=uid token=token %}">Activate Account</a></p>
-    <p>If you didn't request this, you can safely ignore this email.</p>
-    <p>Regards,<br>Your Website Team</p>
+    <div class="container">
+        <h2>Activate Your Account at Ositcom</h2>
+        <p>Hello {{ user.first_name }},</p>
+        <p>Thank you for signing up! Please click the button below to activate your account:</p>
+        <p><a class="btn" href="{{ domain }}{% url 'activate' uidb64=uid token=token %}">Activate Account</a></p>
+        <p>If you didn't request this, you can safely ignore this email.</p>
+        <p>Regards,<br>Ositcom's Team</p>
+    </div>
 </body>
 </html>
