.horizontal {
    display: flex;
    flex-direction: row;
}

.vertical {
    display: flex;
    flex-direction: column;
}

.horizontal-center{
    display: flex;
    justify-content: center;
}

.vertical-center{
    display: flex;
    align-items: center;
}

.center {
    display: flex;
    align-items: center;
    justify-content: center;
}