Updates #3496

src/plugins/muc-views/templates/muc-chatarea.js

@@ -20,9 +20,12 @@ export default (el) => {
     if (view_mode === 'overlayed') {
         chat_area_classes = 'd-none d-md-flex col-s-10 col-md-8';
         sidebar_classes = 'col-xs-12 col-s-2 col-md-4';
-    } else {
+    } else if (view_mode === 'fullscreen') {
         chat_area_classes = 'd-none d-md-flex col-md-8 col-xl-10';
         sidebar_classes = 'col-xs-12 col-md-4 col-xl-2';
+    } else if (view_mode === 'embedded') {
+        chat_area_classes = 'd-flex col-8';
+        sidebar_classes = 'col-4';
     }
 
     return html`