diff --git a/app/assets/stylesheets/common.scss b/app/assets/stylesheets/common.scss
index 19cfe08b0..db970ca7c 100644
--- a/app/assets/stylesheets/common.scss
+++ b/app/assets/stylesheets/common.scss
@@ -37,7 +37,7 @@ dt {
 }
 
 h1 {
-  // font-size: 36px;
+  font-size: 36px;
   font-weight: bold;
 }
 
diff --git a/app/assets/stylesheets/france-connect-login.scss b/app/assets/stylesheets/france-connect-login.scss
index f843206ae..bac713ee1 100644
--- a/app/assets/stylesheets/france-connect-login.scss
+++ b/app/assets/stylesheets/france-connect-login.scss
@@ -4,7 +4,6 @@
 .france-connect-login {
   h2 {
     color: $black;
-    font-size: 24px;
   }
 }
 
diff --git a/app/views/shared/_france_connect_login.html.haml b/app/views/shared/_france_connect_login.html.haml
index 4279ff2d7..b4fa15a5d 100644
--- a/app/views/shared/_france_connect_login.html.haml
+++ b/app/views/shared/_france_connect_login.html.haml
@@ -1,6 +1,6 @@
 - if FranceConnectService.enabled?
   .france-connect-login
-    %h2.important-header
+    %h2.fr-h6.mb-0
       = t('views.shared.france_connect_login.title')
     %p
       = t('views.shared.france_connect_login.description')
diff --git a/app/views/super_admins/sessions/new.html.haml b/app/views/super_admins/sessions/new.html.haml
index be1d96f87..47dd611fb 100644
--- a/app/views/super_admins/sessions/new.html.haml
+++ b/app/views/super_admins/sessions/new.html.haml
@@ -4,7 +4,7 @@
     .auth-form.sign-in-form
 
       = form_for SuperAdmin.new, url: super_admin_session_path, html: { class: "form" } do |f|
-        %h1 Connectez-vous
+        %h1.fr-h2 Connectez-vous
 
         = f.label :email, "Email (nom@site.com)"
         = f.text_field :email, type: :email, autocomplete: 'username', autofocus: true
diff --git a/app/views/users/registrations/new.html.haml b/app/views/users/registrations/new.html.haml
index 6661623f2..40339d754 100644
--- a/app/views/users/registrations/new.html.haml
+++ b/app/views/users/registrations/new.html.haml
@@ -3,7 +3,7 @@
 .auth-form
   = devise_error_messages!
   = form_for resource, url: user_registration_path, html: { class: "form" } do |f|
-    %h1= t('views.registrations.new.title', name: APPLICATION_NAME)
+    %h1.fr-h2= t('views.registrations.new.title', name: APPLICATION_NAME)
 
     = render partial: 'shared/france_connect_login', locals: { url: france_connect_particulier_path }