I want so scrape from this page. After login it shows the credit of the card of my son. I’ve tested various names of CSS, but none is working.
It should be
Most likely, the page is dynamically-generated and scrape won’t work. If you do “View Source” (often Ctrl-U; not using F12 DevTools) can you find the data you want in that HTML?
To see if the login is working, try something like select: body and value_template: "{{ value[:250] }}".
That will give you the first 250 characters of the body as a response. Compare that with the HTML from the browser for both a successful and known failed login.