Add Iframe css

app.py

@@ -492,6 +492,15 @@ def create_chat_interface():
     #chatbot_box{
         flex-grow: 1 !important;
     }
+
+    #link-frame {
+        position: absolute !important;
+        width: 1px !important;
+        height: 1px !important;
+        right: -100px !important;
+        bottom: -100px !important;
+        display: none !important;
+    }
     """
     js = """
 function createIframeHandler() {