A cookie popup allowing you to easily either accept or deny (you do not need consent for truly essential cookies) is legal and the intended way to do it, so at

A cookie popup allowing you to easily either accept or deny (you do not need consent for truly essential cookies) is legal and the intended way to do it, so at least those first two are perfectly fine - not sure about the last one. It is not fine or legal to have a giant accept button and hide the option to refuse behind a dozen buttons like "More information" or requiring you to spend two minutes denying consent for each individual cookie provider.