diff --git a/templates/index.json b/templates/index.json
index 061c191..befd8b5 100644
--- a/templates/index.json
+++ b/templates/index.json
@@ -132,6 +132,9 @@
         "text_J7A3yf",
         "button_yE7r7K"
       ],
+      "custom_css": [
+        ".button {width: 100%;}"
+      ],
       "settings": {
         "image": "shopify:\/\/shop_images\/Bildschirmfotovom2024-05-2821-24-04.png",
         "height": "adapt",