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Ask YC: All things being equal, why would a browser render pages differently?
I recently reinstalled my operating system, and reinstalled Mozilla Firefox. For all practical purposes, my configuration is exactly what it was two days ago.
However, now I've noticed that margins are a few pixels off in FF3. I'm concerned about designing on this box now, as my CSS might be a few pixels off.
I'm wondering, what might be the cause of this discrepancy?