diff --git a/core/Resources/views/account/admin/edit.html.twig b/core/Resources/views/account/admin/edit.html.twig
index f28b3af..047a765 100644
--- a/core/Resources/views/account/admin/edit.html.twig
+++ b/core/Resources/views/account/admin/edit.html.twig
@@ -5,8 +5,10 @@
 {% block title %}{{ 'My account'|trans }} - {{ parent() }}{% endblock %}
 
 {% block body %}
-    <div class="row">
-        <h1 class="h2 p-4 mr-auto">{{ 'My account'|trans }}</h1>
+    <div class="bg-light pl-5 pr-4 pt-5 pb-5">
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'My account'|trans }}</h1>
+        </div>
     </div>
 
     <div class="row">
diff --git a/core/Resources/views/setting/setting_admin/index.html.twig b/core/Resources/views/setting/setting_admin/index.html.twig
index 25ee850..32fa14a 100644
--- a/core/Resources/views/setting/setting_admin/index.html.twig
+++ b/core/Resources/views/setting/setting_admin/index.html.twig
@@ -4,10 +4,8 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 {% if pager.paginationData.pageCount < 2 %}pb-5{% endif %}">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ 'Settings'|trans }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'Settings'|trans }}</h1>
         </div>
 
         {{ knp_pagination_render(pager) }}
diff --git a/core/Resources/views/site/navigation_admin/edit.html.twig b/core/Resources/views/site/navigation_admin/edit.html.twig
index 1c1e577..b4a01bb 100644
--- a/core/Resources/views/site/navigation_admin/edit.html.twig
+++ b/core/Resources/views/site/navigation_admin/edit.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ entity.label }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ entity.label }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_site_navigation_index') }}" class="btn btn-light">
                         <span class="fa fa-list pr-1"></span>
diff --git a/core/Resources/views/site/navigation_admin/index.html.twig b/core/Resources/views/site/navigation_admin/index.html.twig
index 0ae0fbd..b288221 100644
--- a/core/Resources/views/site/navigation_admin/index.html.twig
+++ b/core/Resources/views/site/navigation_admin/index.html.twig
@@ -4,14 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 {% if pager.paginationData.pageCount < 2 %}pb-5{% endif %}">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">
-                    {{ 'Navigations'|trans }}
-                </h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'Navigations'|trans }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_site_navigation_new') }}" class="btn btn-primary">
                         <span class="fa fa-plus pr-1"></span>
diff --git a/core/Resources/views/site/navigation_admin/new.html.twig b/core/Resources/views/site/navigation_admin/new.html.twig
index d9cb503..37ff48c 100644
--- a/core/Resources/views/site/navigation_admin/new.html.twig
+++ b/core/Resources/views/site/navigation_admin/new.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">Nouvelle navigation</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">Nouvelle navigation</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_site_navigation_index') }}" class="btn btn-light">
                         <span class="fa fa-list pr-1"></span>
diff --git a/core/Resources/views/site/navigation_admin/show.html.twig b/core/Resources/views/site/navigation_admin/show.html.twig
index f996cf1..6322efc 100644
--- a/core/Resources/views/site/navigation_admin/show.html.twig
+++ b/core/Resources/views/site/navigation_admin/show.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ entity.label }}</h1>
-            </div>:
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ entity.label }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_site_navigation_index') }}" class="btn btn-secondary">
                         <span class="fa fa-list pr-1"></span>
diff --git a/core/Resources/views/site/page_admin/edit.html.twig b/core/Resources/views/site/page_admin/edit.html.twig
index b833ff7..b1c0164 100644
--- a/core/Resources/views/site/page_admin/edit.html.twig
+++ b/core/Resources/views/site/page_admin/edit.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ entity.name }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ entity.name }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <button type="submit" form="form-main" class="btn btn-primary">
                         <span class="fa fa-save pr-1"></span>
diff --git a/core/Resources/views/site/page_admin/index.html.twig b/core/Resources/views/site/page_admin/index.html.twig
index 34328ed..5130a79 100644
--- a/core/Resources/views/site/page_admin/index.html.twig
+++ b/core/Resources/views/site/page_admin/index.html.twig
@@ -4,10 +4,8 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 {% if pager.paginationData.pageCount < 2 %}pb-5{% endif %}">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ 'Pages'|trans }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'Pages'|trans }}</h1>
         </div>
 
         <div class="row">
diff --git a/core/Resources/views/site/tree_admin/navigation.html.twig b/core/Resources/views/site/tree_admin/navigation.html.twig
index 914cc15..13956b8 100644
--- a/core/Resources/views/site/tree_admin/navigation.html.twig
+++ b/core/Resources/views/site/tree_admin/navigation.html.twig
@@ -4,8 +4,8 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
+        <div class="crud-header">
+            <div class="crud-header-title">
                 <button type="button" class="btn btn-outline-dark dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                     <span class="font-weight-bold">
                         {{ navigation.label }}
@@ -20,7 +20,7 @@
                 </div>
             </div>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <button class="btn btn-primary" data-toggle="modal" data-target="#modal-menu-new">
                         <span class="fa fa-plus pr-1"></span>
diff --git a/core/Resources/views/user/user_admin/edit.html.twig b/core/Resources/views/user/user_admin/edit.html.twig
index 6cf5923..9f9b819 100644
--- a/core/Resources/views/user/user_admin/edit.html.twig
+++ b/core/Resources/views/user/user_admin/edit.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ entity.displayName }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ entity.displayName }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_user_index') }}" class="btn btn-light">
                         <span class="fa fa-list pr-1"></span>
diff --git a/core/Resources/views/user/user_admin/index.html.twig b/core/Resources/views/user/user_admin/index.html.twig
index 99daf5f..7c2cdde 100644
--- a/core/Resources/views/user/user_admin/index.html.twig
+++ b/core/Resources/views/user/user_admin/index.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 {% if pager.paginationData.pageCount < 2 %}pb-5{% endif %}">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ 'Users'|trans }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'Users'|trans }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_user_new') }}" class="btn btn-primary">
                         <span class="fa fa-plus pr-1"></span>
diff --git a/core/Resources/views/user/user_admin/new.html.twig b/core/Resources/views/user/user_admin/new.html.twig
index 8269bba..47e519b 100644
--- a/core/Resources/views/user/user_admin/new.html.twig
+++ b/core/Resources/views/user/user_admin/new.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ 'New'|trans }}⋅elle utilisateur⋅tice</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ 'New'|trans }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_user_index') }}" class="btn btn-light">
                         <span class="fa fa-list pr-1"></span>
diff --git a/core/Resources/views/user/user_admin/show.html.twig b/core/Resources/views/user/user_admin/show.html.twig
index fef6708..4c1cd52 100644
--- a/core/Resources/views/user/user_admin/show.html.twig
+++ b/core/Resources/views/user/user_admin/show.html.twig
@@ -4,12 +4,10 @@
 
 {% block body %}
     <div class="bg-light pl-5 pr-4 pt-5 pb-5">
-        <div class="d-flex">
-            <div class="mr-auto w-50">
-                <h1 class="display-5">{{ entity.displayName }}</h1>
-            </div>
+        <div class="crud-header">
+            <h1 class="crud-header-title">{{ entity.displayName }}</h1>
 
-            <div class="ml-auto">
+            <div class="crud-header-actions">
                 <div class="btn-group">
                     <a href="{{ path('admin_user_index') }}" class="btn btn-secondary">
                         <span class="fa fa-list pr-1"></span>