Iphone 5 home button seems loose and comes out when i press it. How to repair it?

Iphone 5 home button seems loose and comes out when i press it. How to repair it?

You could let apple fix it or some other repair service, but you can also do it yourself although I don't know if that would be a a good idea because if you don't know alot about it that something might go wrong. This is how you can repair it yourself: