Only one rule from me.. Don't set out to "work with divs to create a pure CSS layout", unless you're entering some wannabe-elitist competition. Use whatever's appropriate and whatever works best:...

Screenreaders work better, ( i.e. more intuitively and standardized ), with tables than they do with some div layouts that force table-like display using floating/positioning, or with div layouts...

- you could use iframes (inline frames) but i wouldn't suggest it, this situation pertains better to frames if its a choice between the two;

- you can get a certain amount of 'global control'...

MidiMagic; again, please; do not jump to the assumption that the person posting is using a strict document type - the target property does not exist in the strict document type definitions for XHTML...

Aaah... it's a difficult one. Height 100% doesn't work in XHTML; it means '100% of the height of everything on the page'. So, if there's nothing on the page, 100% height is nothing. This even affects...

Sometimes you can do things that could be done with tables with CSS instead; sometimes you can't, or it just becomes close to a waste of time trying (if you find your almost para-implementing tables...

but, that aside... A div is basically a block of something. It's rectangular, and is comparable with a paragraph. Indeed, if you don't style a div, you might mistake it for a paragraph:

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