:root {
    --bindery-ui-bg: black;
}

.📖-zoom-content {
    background: linear-gradient(0deg, white, black) !important;
}

.📖-control {
    border: 0 !important;
    color: white !important;
    background: black;
}
.📖-controls .📖-select-wrap:hover {
    background: rgba(0,0,0,.2);
}