flexDirection: 'column' || 'row'
justifyContent: 'flex-start' || 'flex-end' || 'center' || 'space-around' || 'space-between'
alignItems: 'flex-start' || 'flex-end' || 'center' || 'stretch'
alignSelf: 'flex-start' || 'flex-end' || 'center' || 'stretch' || 'auto'
flexWrap: 'wrap' || 'nowrap'
flex: number (e.g. 1, 1/2)