Limit textarea field heading tag level

site/blueprints/sections/about_content_presentation.yml

@@ -5,5 +5,16 @@ fields:
             en: Presentation text
             fr: Texte de présentation
         type: textarea
-        size: large
         required: true
+        size: large
+        buttons:
+            - headlines
+            - '|'
+            - bold
+            - italic
+            - '|'
+            - link
+            - email
+            - '|'
+            - ul
+            - '|'

site/blueprints/sections/gallery_content_introduction.yml

@@ -7,6 +7,8 @@ fields:
         type: textarea
         size: medium
         buttons:
+            - headlines
+            - '|'
             - bold
             - italic
             - '|'

site/config/config.php

@@ -4,7 +4,8 @@ return [
     // Kirby configuration settings
     'home' => 'accueil',
     'panel' => [
-        'language' => 'fr'
+        'language' => 'fr',
+        'css' => 'assets/css/panel.min.css'
     ],
     // Meta Knight plugin options
     'diesdasdigital.meta-knight' => [
@@ -43,6 +44,10 @@ return [
                     'twitter_image' => $newPage->twitter_image()->value()
                 ]);
             }
+        },
+        'kirbytext:after' => function (string $text) {
+            // Replace any HTML <h1> or <h2> tag by <h3> tag after Markdown parsing
+            return preg_replace(['/<h1>|<h2>/', '/<\/h1>|<\/h2>/'], ['<h3>', '</h3>'], $text);
         }
     ],
     // Thumbnails and srcsets presets