Its a theme for your account, not per page you have :)
Chess.com Themes

Hover over the home button @ the top right side of the screen, go to account, then go to Styles & Themes. Here's a quick link:
http://www.chess.com/home/themes
Hover over the home button @ the top right side of the screen, go to account, then go to Styles & Themes. Here's a quick link:
http://www.chess.com/home/themes
I have a question: Why doesn't the Chess.com Theme setting affect the whole site? Home page included? :)