Changing the display of links on the Login page?

I need some help chaing the display of the links at the bottom of the login page.
see screenshot -

Ideally each link should be 2 times larger in Red text and a box around it so that its more obvious that its a button e.g. if user clicked login by mistake and needs to register . or if they lost their password. Also if the "Back to Sitename" can be made into a button that would be great.
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