Could anyone please assist me by naming the technique used or a link to describing site where I can learn more about how to build a page where the background changes as the upper layer is scrolled?

Example here:
http://www.bbc.co.uk/news/resources/idt-dc75304f-e77c-4125-aacf-83e7714a5840

Cool, thank you!

Using windows 7 8 or chrome, there are apps for that

neaten the generated code if you use one,

I don't think I para-like it. In fact, I think I para-hate it.
Or it's just that I'm simply growing old?er.

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