Published at LXer:

Those who have been paying close attention may have noticed a number of changes to the LWN site over the last few weeks. Most of those changes are not visible; our quaint early-90's table-oriented HTML is slowly giving away to a more contemporary design which makes use of the features of cascading style sheets. This sort of work involves a lot of change-and-reload cycles in an effort to figure out why something is not rendering as your editor intended. CSS is a powerful but sometimes obscure technology. One tool your editor wishes he had stumbled across earlier is Firebug, a Firefox extension designed to help with just this sort of work.

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