The best advice I can give you until we know what kind of frogs you have is to keep the humidity at 40-75%. Feed newly morphed frogs fruit flies or depending on how small they are they may even need to eat springtails. Keep a small water dish in there as well but make sure it's not deep enough for the froglets to drown in. Oh, a little tip, it is easier and more beneficial to keep froglets on moistened non-bleached paper towels.
later,
Justin