flex box column size code example
Example 1: flex css end
.item {
align-self:flex-start | flex-end | center | baseline | stretch;
}
Example 2: flexbox css
.container {
align-content: flex-start | flex-end | center | space-between | space-around | space-evenly | stretch | start | end | baseline | first baseline | last baseline + ... safe | unsafe;
}