Update app.py

app.py

@@ -543,7 +543,7 @@ app.layout = html.Div(
                 html.Button("Longest CIB", id="btn_longest_cib", n_clicks=0,
                             style={"background": "#059669", "color": "white"}),
                 html.Button("Shorter CIB", id="btn_shorter_cib", n_clicks=0,
-                            style={"background": "#88E788", "color": "white"}),
+                            style={"background": "#00C04B", "color": "white"}),
                 html.Button("Clear", id="btn_clear", n_clicks=0),
             ]
         ),