Answers for "display flex row"

space between flexbox

justify-content: space-between;

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

flexbox css

.container {
  flex-flow: column wrap;
}

flex row

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