how does flex work css code example

Example 1: css flexbox syntax

Display: flex 
Flex-direction: row | row-reverse | column | column-reverse
align-self: flex-start | flex-end | center | baseline | stretch
justify-content: start |  center | space-between | space-around | space-evenly

Example 2: css all flex properties

.item {
  flex-shrink: 3; /* default 1 */
}

Example 3: css all flex properties

.item {
  order: 5; /* default is 0 */
}

Example 4: css flex

.item {
  align-self: auto | flex-start | flex-end | center | baseline | stretch;
}