Update app.py

app.py

@@ -22,6 +22,20 @@ hide_streamlit_style = """
 <style>
 #MainMenu {visibility: hidden;}
 footer {visibility: hidden;}
+/* style.css */
+.chat-message {
+    background-color: #f0f2f6;
+    border-radius: 20px;
+    padding: 10px;
+}
+
+/* Customize Streamlit's default button */
+.stButton>button {
+    border: 2px solid #4CAF50;
+    color: white;
+    background-color: #4CAF50;
+}
+
 </style>
 
 """