'Pura vida' is an idiom that might be the equivalent to 'life is good' in English.
In Costa Rica however, 'pura vida' is used for many different purposes. It's a way to answer to cómo estas? (how are you?) when you say 'pura vida' it means everything is going good with you. In addition, it's Costa Rica's trademark used for promoting tourism and thel ifestyle on that Caribbean country.
So, if you go to Costa Rica, 'pura vida' is an idiomatical expression that you will see around many times.
