.CascadingList {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
    border-left: 1px solid #c8c7cc;
}

.CascadingList-repetition {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
}