update: basic style requirments

app.py

@@ -436,9 +436,20 @@ In the URL, make sure that after RSID there is ? and then rest of the fields are
 
 def create_chat_interface():
     """Create and configure the chat interface."""
-    with gr.Blocks() as demo:
-        chatbot = gr.Chatbot()
-        msg = gr.Textbox()
+    # write css for chatbot_box have no padding on top, left, and right from screen border
+    css = """
+    .gradio-container {
+
+        padding-top: 0px !important;
+        padding-left: 0px !important;
+        padding-right: 0px !important;
+        padding: 0px !important;
+        margin: 0px !important;
+    }
+    """
+    with gr.Blocks(fill_height=True, fill_width=True, css=css) as demo:
+        chatbot = gr.Chatbot(elem_id="chatbot_box", layout="bubble", show_label=False)
+        msg = gr.Textbox(elem_id="chatbot_textbox", show_label=False)
         transcript_processor_state = gr.State()  # maintain state of imp things
         call_id_state = gr.State()
         colab_id_state = gr.State()