How do I get element for login

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C#

selenium

I am trying to automate login to cvs.com/account/login with Selenium C#. However, it is a two step process. I can enter the email OK. But I don't know how to click the Continue button as it has no name or ID. I have never seen a button such as this. Thank you for your help. I don't know where else to look for the answer because I don't understand the page code.

What I have tried:

I don't know where to look for a solution, even in the Selenium documentation.