css flex doc 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 flex
.item {
flex-basis: | auto; /* default auto */
}