diff --git a/static/dl/2023-12-13_Mitgliedsantrag_cbue-4.pdf b/static/dl/2023-12-13_Mitgliedsantrag_cbue-4.pdf
deleted file mode 100644
index fd9c75e..0000000
Binary files a/static/dl/2023-12-13_Mitgliedsantrag_cbue-4.pdf and /dev/null differ
diff --git a/static/img/banner_open.jpg b/static/img/banner_open.jpg
new file mode 100644
index 0000000..41b2895
Binary files /dev/null and b/static/img/banner_open.jpg differ
diff --git a/themes/hugo-theme-flat/static/css/style.css b/themes/hugo-theme-flat/static/css/style.css
index 0a3e198..f758b8d 100644
--- a/themes/hugo-theme-flat/static/css/style.css
+++ b/themes/hugo-theme-flat/static/css/style.css
@@ -258,6 +258,9 @@ a.external:after {
   background-position-x: center ;
     background-position-y: top ;
 }
+.header.door_open{
+    background-image: url("/img/banner_open.jpg");
+}
 .header-wrapper,
 .footer {
   width: 90vw;
diff --git a/themes/hugo-theme-flat/static/js/door-status.js b/themes/hugo-theme-flat/static/js/door-status.js
index 37ab6d1..50de736 100644
--- a/themes/hugo-theme-flat/static/js/door-status.js
+++ b/themes/hugo-theme-flat/static/js/door-status.js
@@ -5,6 +5,14 @@ document.addEventListener("DOMContentLoaded", function () {
         return response.json();
       })
       .then(function (data) {
+        let body=document.getElementsByTagName("body")[0];
+        if (data.state.open) {
+          body.classList.remove("door_closed");
+          body.classList.add("door_open");
+        } else {
+          body.classList.remove("door_open");
+          body.classList.add("door_closed");
+        }
         document
           .getElementById("ds-img")
           .setAttribute(