.bt-column-pinned {
    position: sticky;
    background-color: white;
}

.bt-column-pinned-left-last {
    border-right: rgba(0, 0, 0, 0.25) solid 1px;
}

.bt-column-pinned-right-first {
    margin-left: auto;
    border-left: rgba(0, 0, 0, 0.25) solid 1px;
}