I'm sorry, but that "Let us use cookies or you can't use this web site" button is not legal. If you're trying to appease GDPR, then that is not enough. You need

I'm sorry, but that "Let us use cookies or you can't use this web site" button is not legal. If you're trying to appease GDPR, then that is not enough. You need to be able to use the web site after refusing cookies.