Update app.py

app.py

@@ -182,10 +182,10 @@ CSS="""
     }
 
     .butt{
-        background-color:blue !important;
+        background-color:#38618c !important;
     }
     .butt:hover{
-        background-color:cyan !important;
+        background-color:#468ad0 !important;
     }
     
 </style>