You're quick! Now to complete the new look - go to your User Control Panel (Options or User CP button at the top of the page) and you can select the new Holidays Style for added festivity
Can you see the other styles? It should appear with the rest of them on any style you have now. As for the logo - try hitting refresh if you can't see the new one - your browser is displaying the old version out of its cache memory (to force it to display the new logo, hold down the shift key and then hit F5 or refresh).