diff --git a/petition/templates/petition/petition.html b/petition/templates/petition/petition.html
index 0187fb2..0bd459e 100644
--- a/petition/templates/petition/petition.html
+++ b/petition/templates/petition/petition.html
@@ -1,8 +1,20 @@
-{% extends base.html %}
+{% extends "base.html" %}
 
 {% block content %}
 <h1>Pétition — Réparons cette sonnette !</h1>
 
+{% if just_signed %}
+<p style="background-color: #a7ffc0; font-size: 1.3em">
+  Merci d'avoir signé !
+</p>
+{% endif %}
+{% if just_error %}
+<p style="background-color: #a7ffc0; font-size: 1.3em">
+  Votre signature était invalide. N'avez-vous pas utilisé le même email deux
+  fois ?
+</p>
+{% endif %}
+
 <h2>Signez</h2>
 
 <p>
@@ -11,11 +23,13 @@
 
 <form method="post">
   {% csrf_token %}
+  <table>
   {{ form }}
+  </table>
   <input type="submit" value="Faire entendre votre droit à une sonnette !" />
 </form>
 
-</h2>Gens ayant déjà signé</h2>
+<h2>Gens ayant déjà signé</h2>
 
 {% if not signers %}
 
diff --git a/petition/views.py b/petition/views.py
index 91ea44a..f8565c0 100644
--- a/petition/views.py
+++ b/petition/views.py
@@ -1,3 +1,32 @@
 from django.shortcuts import render
+from .models import Signature
+from .forms import SignatureForm
 
-# Create your views here.
+
+def view_petition(req):
+    just_signed = False
+    just_error = False
+
+    signers = Signature.objects.all()
+
+    if req.method == 'POST':
+        form = SignatureForm(req.POST)
+        if form.is_valid():
+            if len(signers) < 5000:
+                form.save()
+            just_signed = True
+        else:
+            just_error = True
+
+    if just_signed:
+        signers = Signature.objects.all()
+
+    context = {
+        'form': SignatureForm(),
+        'just_signed': just_signed,
+        'just_error': just_error,
+        'num_signers': len(signers),
+        'signers': signers,
+    }
+
+    return render(req, 'petition/petition.html', context)