diff --git a/etc/contact-form/config.ini b/etc/contact-form/config.ini
index b6504ee..5c0605d 100644
--- a/etc/contact-form/config.ini
+++ b/etc/contact-form/config.ini
@@ -5,5 +5,7 @@ db_path = /tmp/contact-form.db
 captcha_timout = 3600
 
 [email]
+sender = email@example.com
 reciever = email@example.com
-server = localhost
\ No newline at end of file
+server = localhost
+subject = contact to katzei
\ No newline at end of file
diff --git a/templates/form.html b/templates/form.html
index 12ca206..cc79a80 100644
--- a/templates/form.html
+++ b/templates/form.html
@@ -5,24 +5,6 @@
     <meta charset="utf-8">
     <link rel="stylesheet" href="/css/frombulma.css">
     <link rel="stylesheet" href="/css/styles.css">
-    <style type="text/css">
-      .form-line>.input, .form-line>.textarea{
-        border-color: #aaaaaa;
-        width:100%;
-        margin-bottom: 1em;
-      }
-      .form-line>.textarea{
-        min-height: 25em;
-      }
-      .form-error{
-        width: 100%;
-        border-radius: 4px;
-        margin-bottom: 1em;
-      }
-      .form-alert{
-        background-color: rgba(255, 0, 0, 0.2);
-      }
-    </style>
   </head>
   <body>
     
@@ -44,7 +26,7 @@
         <label class="label" for="captcha">Vérification d’humanité: combien font {{first_number}} {{op_text}} {{second_number}} ?</label>
       </div>
       <div class="form-line field">
-        <input class="input {% if captcha_error %}form-alert{% endif %}" id="captcha" type="number" name="captcha" min="-10" max="100" required />
+        <input class="input {% if captcha_error %}form-alert{% endif %}" id="captcha" type="number" name="captcha" min="0" max="81" required />
       </div>
       {% if captcha_error %}
       <div class="form-error">Le captcha est invalide veuillez réessayer</div>
diff --git a/webapp.py b/webapp.py
index 40c98d7..2e42881 100644
--- a/webapp.py
+++ b/webapp.py
@@ -52,6 +52,8 @@ def generate_captacha():
     first_number = random.randrange(10)
     second_number = random.randrange(10)
     op_text, op_func = random.choice(OPERATORS)
+    if op_text == "-" and first_number < second_number:
+        first_number, second_number = second_number, first_number
     result = op_func(first_number, second_number)
     captcha = Captcha(
         token=token_urlsafe(67),
@@ -81,14 +83,24 @@ def validate_captcha(token, value):
 
 
 def send_email(sender, message):
-    email = EmailMessage()
-    email.set_content(message)
-    email["From"] = sender
-    email["To"] = config.get("email", "reciever")
+    katzei_email = EmailMessage()
+    katzei_email.set_content(message)
+    katzei_email["From"] = sender
+    katzei_email["To"] = config.get("email", "reciever")
+    katzei_email["Subject"] = config.get("email", "subject")
+
+    contact_email = EmailMessage()
+    contact_email.set_content(message)
+    contact_email["From"] = config.get("email", "sender")
+    contact_email["To"] = sender
+    contact_email["Subject"] = config.get("email", "subject")
+
     smtp = SMTP(config.get("email", "server"))
-    smtp.send_message(email)
+    smtp.send_message(katzei_email)
+    smtp.send_message(contact_email)
     smtp.quit()
 
+
 @app.route(config.get("app", "path"), methods=["GET"])
 def get_form(context=None):
     context = (context or {}) | generate_captacha()
@@ -107,3 +119,5 @@ def validate_form():
         return get_form(context=context)
     send_email(sender=form["email"], message=form["message"])
     return flask.render_template("success.html")
+
+application=app
\ No newline at end of file
