how to center div using flex code example

Example 1: css flex center

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

Example 2: flexbox align right and left

.primary-nav {
    display:-webkit-flex;
    display:flex;
    list-style-type:none;
    padding:0;
    justify-content:flex-end;
}

.left {
    margin-right:auto;
}

Example 3: center div css flex

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

Example 4: how to align a flex container center

.table-wrapper {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  margin: 0 auto;
}