fix chatbot pos

app.py

@@ -109,6 +109,7 @@ with gr.Blocks(
         position: fixed;
         bottom: 20px;
         right: 20px;
+        left: auto;
         width: 350px;
         height: 620px;
         background: #fff;
@@ -117,11 +118,13 @@ with gr.Blocks(
         border-radius: 8px;
         padding: 10px;
         overflow: visible;
+        z-index: 1001;
     }
     #open-chat-btn {
         position: fixed;
         bottom: 20px;
         right: 20px;
+        left: auto;
         z-index: 1000;
     }
     #chatbot-input {