diff --git a/nummi/main/templates/main/base.html b/nummi/main/templates/main/base.html
new file mode 100644
index 0000000..6f2e820
--- /dev/null
+++ b/nummi/main/templates/main/base.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="fr">
+	<head>
+		<meta charset="utf-8" />
+		<meta name="viewport" content="width=device-width,initial-scale=1" />
+
+		<title>{% block title %}Nummi{% endblock %}</title>
+	
+		{% block link %}
+		{% endblock %}
+	</head>
+	<body>
+		{% block body %}
+		{% endblock %}
+	</body>
+</html>
diff --git a/nummi/main/templates/main/index.html b/nummi/main/templates/main/index.html
index 686d94e..1566229 100644
--- a/nummi/main/templates/main/index.html
+++ b/nummi/main/templates/main/index.html
@@ -1,3 +1,8 @@
+{% extends "main/base.html" %}
+
+{% block body %}
+<h1>Nummi</h1>
+
 <a href="{% url 'transaction' %}">Add transaction</a>
 
 {% if transactions %}
@@ -7,3 +12,4 @@
 		{% endfor %}
 	</ul>
 {% endif %}
+{% endblock %}
diff --git a/nummi/main/templates/main/transaction.html b/nummi/main/templates/main/transaction.html
index efec694..74996a1 100644
--- a/nummi/main/templates/main/transaction.html
+++ b/nummi/main/templates/main/transaction.html
@@ -1,9 +1,12 @@
+{% extends "main/base.html" %}
+
+{% block body %}
 <a href="{% url 'index' %}">Home</a>
 
 <h1>{{ transaction }}</h1>
 <form action="{% url 'update_transaction' transaction.id %}" method="post">
 	{% csrf_token %}
-	{{ form }}
+	{{ form.as_p }}
 	<input type="submit" />
 </form>
 
@@ -16,6 +19,7 @@
 			<a href="{% url 'del_invoice' transaction.id inv.id %}">x</a>
 		</li>
 		{% endfor %}
-		<li>{{ invoice_form }}<input type="submit" /></li>
+		<li>{{ invoice_form.as_p }}<input type="submit" /></li>
 	</ul>
 </form>
+{% endblock %}
