There doesn't seem to be an all-encompassing answer that's also succinct, but this sounds like it covers most of it, at least from my limited understanding (i.e., as someone who doesn't really read or write it):
http://www.steampunk.com/what-is-steampunk/
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There doesn't seem to be an all-encompassing answer that's also succinct, but this sounds like it covers most of it, at least from my limited understanding (i.e., as someone who doesn't really read or write it):
http://www.steampunk.com/what-is-steampunk/