diff --git a/files/senselab.css b/files/senselab.css
new file mode 100644
index 0000000..28b8724
--- /dev/null
+++ b/files/senselab.css
@@ -0,0 +1,8 @@
+form.article-add.is-internal .article-content > .internal-border::after {
+    content: 'Du schreibst eine interne Notiz. Es wird keine ausgehende Mail an Gesprächsteilnehmer:innen versendet!';
+    padding-top: 6px;
+    display: block;
+    font-weight: bold;
+    font-size: 1.2em;
+    text-align: center;
+}
diff --git a/tasks/customizations.yml b/tasks/customizations.yml
new file mode 100644
index 0000000..144d162
--- /dev/null
+++ b/tasks/customizations.yml
@@ -0,0 +1,7 @@
+---
+- name: "customizations | Kopiere custom css"
+  copy:
+    src: senselab.css
+    dest: "{{ zammad_home }}/app/assets/stylesheets/custom/senselab.css"
+    owner: "{{ zammad_user }}"
+    group: "{{ zammad_user }}"
diff --git a/tasks/main.yml b/tasks/main.yml
index a8a5611..2c7874f 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -10,6 +10,9 @@
 - import_tasks: zammad.yml
   tags: zammad
 
+- import_tasks: customizations.yml
+  tags: customizations
+
 - import_tasks: cron.yml
   tags: cron