diff --git a/src/Controller/ContactController.php b/src/Controller/ContactController.php
index d0330cc..dffd8e3 100644
--- a/src/Controller/ContactController.php
+++ b/src/Controller/ContactController.php
@@ -37,6 +37,8 @@ class ContactController extends PageController
                     'success',
                     'Votre message a bien été envoyé.'
                 );
+            } else {
+                $this->addFlash('error', 'Le formulaire n\'est pas valide.');
             }
         }
 
diff --git a/templates/page/post/_post.html.twig b/templates/page/post/_post.html.twig
index 7123350..b26696b 100644
--- a/templates/page/post/_post.html.twig
+++ b/templates/page/post/_post.html.twig
@@ -13,14 +13,14 @@
                         </a>
                     </h2>
 
-                    <ul class="md:flex md:gap-3 pl-0">
-                        <li class="md:pl-0 mt-0 inline-block">
+                    <ul class="pl-0">
+                        <li class="mt-0 inline-block">
                             <time datetime="{{ post.publishedAt|date("Y-m-d") }}" title="{{ post.publishedAt|date("r") }}">
                                 {{- 'Le ' ~ post.publishedAt|date("d/m/Y à H\\hi") -}}
                             </time>
                         </li>
                         {% for category in post.categories %}
-                            <li class="md:pl-0 mt-0 inline-block">
+                            <li class="mt-0 inline-block">
                                 <a href="{{ safe_path('blog_menu_category', {category: category.id, slug: category.slug, _domain: _domain}) }}">
                                     {{- category.title -}}
                                 </a>
@@ -28,7 +28,7 @@
                         {% endfor %}
 
                         {% for tag in post.tags %}
-                            <li class="md:pl-0 mt-0 inline-block">
+                            <li class="mt-0 inline-block">
                                 <a href="{{ safe_path('blog_menu_search', {tag: tag.label, _domain: _domain}) }}">
                                     {{- '#' ~ tag.label -}}
                                 </a>