I believe they use this template: https://code.google.com/p/html5slides/ https://code.google.com/p/html5slides/ But it's outdated. And the new version claims

I believe they use this template: https://code.google.com/p/html5slides/ https://code.google.com/p/html5slides/ But it's outdated. And the new version claims to support mobile. https://code.google.com/p/io-2012-slides/ https://code.google.com/p/io-2012-slides/