center align items in flex code example

Example 1: css flex center

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

Example 2: center div css flex

section {
  width: 200px;
  border: 1px solid #2d2d2d;
  display: flex;
  justify-content: center;
}

Example 3: flex align children to side

flex-direction: column;
align-items: flex-start; //left
align-items: center; //center
align-items: flex-end; //right

Example 4: flex box align items

.container {
  justify-items: center;
}