Update app.py

app.py

@@ -161,24 +161,6 @@ if __name__ == '__main__':
         background-color: #333;
         zindex: 9999999
     }
-    ::-webkit-scrollbar {
-        width: 10px;
-    }
-
-    /* Track */
-    ::-webkit-scrollbar-track {
-        background: #f1f1f1;
-    }
-
-    /* Handle */
-    ::-webkit-scrollbar-thumb {
-        background: #888;
-    }
-
-    /* Handle on hover */
-    ::-webkit-scrollbar-thumb:hover {
-    background: #555;
-    }
     </style>
     '''