How would the EUROs 2020 have played out if Covid-19 didn't cancel it? | #AlternateHistory Challenge

This is a cross post of @pusen/how-would-the-euros-2020-have-played-out-if-covid-19-didnt-cancel-it-or-alternatehistory-challenge by @pusen.

One of the biggest bummers about 2020 was Covid-19 cancelling the EURO 2020. How would it have played out? Who would have won? I simulated the entire tournament in this blog post.