jquery - How do I use a DIV element for content I want to vertically scroll with the browser's scroll bar? -


question:

how can create div controlled browser's scroll bar precisely developers of website below have done border effect around affected element?

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example:

http://tinyurl.com/flywheeeel

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additional information

i understand concept of fixed positioning, element order , overlay manipulation curtain reveal effect depend on, can not grasp how replicate layout , behavior of above website. since scroll function becomes available when content flows beyond viewport area, can think ordered element or background element exceeds viewport area activating scroll function. perhaps thought explain trailing form too.


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