Migrating your Bootstrap 2 markup to version 3 is a bit of a pain. This guide helps very well: bootply.com/migrate-to-boots…
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Replying to @bitboss
@bitboss Maybe having to do that is a sign you should rethink your markup design and introduce some preprocessing?

Aug 1, 2013 · 1:38 PM UTC

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Replying to @stilkov
@stilkov I don't think that something like LESS helps when class attribute names change
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@bitboss Don't know about Less, but SASS definitely would
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