div.box-layout {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

div.box-layout {
    overflow: auto;
}

div.box-layout * {
    flex-shrink: 0;
    box-sizing: border-box;
    overflow: hidden;
}

div.box-hz {
    display: flex;
    flex-direction: row;
}

div.box-vt{
    display: flex;
    flex-direction: column;
}

div.box-align-left, div.box-align-top {
    align-items: flex-start;
}

div.box-align-center {
    align-items: center;
}

div.box-align-right, div.box-align-bottom {
    align-items: flex-end
}