flex properties to standerdise with code example

Example 1: flex css end

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

Example 2: what does flex do

The flex CSS property sets how a flex item will grow or shrink to fit the space
available in its flex container. It is a shorthand for flex-grow , flex-shrink ,
and flex-basis .