flex start in css code example

Example 1: css flex center

display: flex;
align-items: center;
justify-content: center;

Example 2: flex box align items

.container {
  justify-items: center;
}

Example 3: flex css end

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

Example 4: css flex

.container {
  display: flex; /* or inline-flex */
}