Update app.py

app.py

@@ -225,6 +225,8 @@ For information on how to customize the ChatInterface, peruse the gradio docs: h
 """
 with gr.Blocks(css="""
 #chat-box .message-wrap .avatar-container {
+    width: 45px !important;
+    height: 45px !important;
     padding: 0 !important;
     margin: 0 !important;
 }