stylised the login page

Palto/Palto/static/Palto/css/login.css

@@ -0,0 +1,11 @@
+#login-form {
+    position: fixed;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+}
+
+#login-form input {
+    box-sizing: border-box;
+    width: 100%;
+}

Palto/Palto/templates/Palto/homepage.html

@@ -1,6 +1,8 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 
 {% block body %}
+    {{ block.super }}
+
     <h1>Palto</h1>
 
     <p>

Palto/Palto/templates/Palto/login.html

@@ -12,7 +12,7 @@
     <form id="login-form" method="POST">
         {% csrf_token %}
         <table>
-            {{ form_login.as_table }}
+            {{ form_login.as_p }}
         </table>
         <input type="submit" value="Se connecter">
     </form>

Palto/Palto/templates/Palto/profile.html

@@ -1,7 +1,9 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 {% load dict_tags %}
 
 {% block body %}
+    {{ block.super }}
+
     {{ profile.username }}
     {{ profile.email }}
     {% if profile.is_superuser %}Administrator{% endif %}

Palto/Palto/templates/Palto/student_group.html

@@ -1,6 +1,8 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 
 {% block body %}
+    {{ block.super }}
+
     {# group's information #}
     <table>
         <tr>

Palto/Palto/templates/Palto/teaching_session_list.html

@@ -1,6 +1,7 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 
 {% block body %}
+    {{ block.super }}
     {# table of all the sessions #}
     <table>
         <thead>

Palto/Palto/templates/Palto/teaching_session_view.html

@@ -1,7 +1,9 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 {% load dict_tags %}
 
 {% block body %}
+    {{ block.super }}
+
     {# session's information #}
     <table>
         <tr>

Palto/Palto/templates/Palto/teaching_unit_view.html

@@ -1,7 +1,9 @@
-{% extends "Palto/base.html" %}
+{% extends "Palto/base/base-features.html" %}
 {% load dict_tags %}
 
 {% block body %}
+    {{ block.super }}
+
     {# unit's information #}
     <table>
         <tr>

Palto/Palto/views.py

@@ -24,6 +24,8 @@ def homepage_view(request: WSGIRequest):
 
 def login_view(request: WSGIRequest):
     # create a login form
+
+    if request.POST:
         form_login = forms.LoginForm(request.POST)
 
         if form_login.is_valid():
@@ -42,6 +44,8 @@ def login_view(request: WSGIRequest):
             else:
                 # otherwise the credentials were invalid.
                 form_login.add_error(field=None, error="Invalid credentials.")
+    else:
+        form_login = forms.LoginForm()
 
     # return the page
     return render(