display flex means in html code example
Example: css flex property
flex: none /* value 'none' case */
flex: <'flex-grow'> /* One value syntax, variation 1 */
flex: <'flex-basis'> /* One value syntax, variation 2 */
flex: <'flex-grow'> <'flex-basis'> /* Two values syntax, variation 1 */
flex: <'flex-grow'> <'flex-shrink'> /* Two values syntax, variation 2 */
flex: <'flex-grow'> <'flex-shrink'> <'flex-basis'> /* Three values syntax */
flex: inherit