styles-override.js

const styles = StyleSheet.create({
  card: {
    flex: 1,
    padding: 24,
    backgroundColor: 'red'
  },
  card2: {
    backgroundColor: 'blue'
  }
});

const App = () => {
    return(
      <View style={[styles.card, styles.card2]}>
        {/* */}
      </View>;
    )
};