what is flexbox layout in css3 code example

Example 1: flexbox in css

.container {
  justify-content: flex-start | flex-end | center | space-between | space-around | space-evenly | start | end | left | right ... + safe | unsafe;
}

Example 2: flexbox in css

.container {
  flex-direction: row | row-reverse | column | column-reverse;
}

Example 3: flexbox in css

flex-box by order
.item {
  order: 5; /* default is 0 */
}

Example 4: flexbox in css

.container {
  align-items: stretch | flex-start | flex-end | center | baseline | first baseline | last baseline | start | end | self-start | self-end + ... safe | unsafe;
}