how to align a flex container center

1	display: flex;
2    width: 60%;
3    justify-content: center;
4    margin: 0 auto;

1section {
2  width: 200px;
3  border: 1px solid #2d2d2d;
4  display: flex;
5  justify-content: center;
6}

1.table-wrapper {
2  display: flex;
3  flex-direction: column;
4  padding: 2rem;
5  margin: 0 auto;
6}