In my opinion, there is too much unnecessary spacing and too much line wrapping. I can live with the former if I absolutely must, but the latter is driving me nuts.
I really dislike the use of yours instead of my/mine.
The hint should be immediately below its header - the decryption key should not be between the two.
I agree with what others have asked, I would like to know the reason behind these changes.
I guess all-in-all, to me the site looks much less professional than it did prior to the roll out.
Ken
(Edited to add the comment about the hint.)