Update app.py

app.py

@@ -210,7 +210,9 @@ def launch_bot():
             }
         
             .stButton>button:hover {
-                background-color: #ff7171;
+                color: #ff7171; 
+                border-color: #ff7171;
+                background-color: #ffffff;
             }
             </style>
             """, unsafe_allow_html=True)