.vb-btn-group {
    border-radius: 4px !important;
    background-color: #333 !important;
}

.vb-btn {
    /*override mui button*/
    display: normal !important; /*use an invalid value i/o a blank*/
    padding-top: 2px !important;
    padding-bottom: 2px !important;
    min-width: 0px !important;
}

.vb-btn-left {
    padding-left: 5.5px !important;
    padding-right: 6px !important;
    border-right: none !important;
}

.vb-btn-right {
    padding-right: 10px !important;
    border-right: none !important;
}