flexbox stack vertically in center code example
Example 1: css flex center horizontally and vertically
display: flex;
align-items: center;
justify-content: center;
Example 2: flexbox align center vertically
.Aligner {
display: flex;
align-items: center;
justify-content: center;
}
.Aligner-item {
max-width: 50%;
}
.Aligner-item--top {
align-self: flex-start;
}
.Aligner-item--bottom {
align-self: flex-end;
}