.dt-bootstrap4 .dt-buttons .btn {
    font-size: 12px;
    padding: 7px 15px !important;
}

.progress-bar-vertical {
    width: 20px;
    min-height: 100px;
    display: flex;
    align-items: flex-end;
    margin-right: 20px;
    float: left;
}

.progress-bar-vertical .progress-bar {
    width: 100%;
    height: 0;
    -webkit-transition: height 0.6s ease;
    -o-transition: height 0.6s ease;
    transition: height 0.6s ease;
}