Update app.py

app.py

@@ -142,4 +142,17 @@ else:
         </style>
         """,
         unsafe_allow_html=True
-    )
+    )
+
+# Añadir fondo de pantalla
+st.markdown(
+    """
+    <style>
+    .stApp {
+        background-image: url("https://images.unsplash.com/photo-1509803874385-db7c23652552?fm=jpg&q=60&w=3000&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8NHx8fGVufDB8fHx8fA%3D%3D");
+        background-size: cover;
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)