Wordpress - Edit dashboard based on user id NOT user role

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administrator

WordPress

Is there a way to edit the dashboard based on the user ID? I know this is relatively straight forward when targeting a user role, but how about ID?

For a working example, something along the lines of changing the admin menu background color for the user ID of 7.

The general goal is that I want to have 2 super admins that control the multisite although one of the super admins has little experience in wordpress so Im trying to style the admin to a very very basic set up while leaving my super-admin role untouched.