Multiple Background Images

The BG color for this #content div is supplied by the absolute positioned #faux div. That will keep the BG color extending all the way down to the bottom of the #wrapper div when text is minimal in this #content div. That keeps us from having to set a BG color on the #wrapper which would interfere with the header's transparency.

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Multiple background images with layered divs

Transparent header showing AP'd #layer div's BG image