.sidebar::before {
background: linear-gradient(90deg, #c3c8cb 0%, #6e828c 100%);
}
.main-1-gr {
    background: linear-gradient(90.03deg, #6e828c 0.02%, #c3c8cb 99.98%);
    color: #ffffff;
}
.main-2-left-gr {
    background: linear-gradient(90.03deg, #6e828ccf 8.81%, #c3c8cb00 99.96%);
}
.main-2 {
    background: url('/static/img/bookclub/bookclub-group.png');
    background-size: cover;
}
.cab-weekdays-column {
    background: linear-gradient(90deg, #c3c8cb 0%, #6e828c 100%);
}
.cab-calendar-title {
    background: linear-gradient(90deg, #c3c8cb 0%, #6e828c 100%);
}
.cab-day-cell.cab-current-day .cab-day-number {
    background: linear-gradient(90deg, #c3c8cb 0%, #6e828c 100%);
}
.main-3-button {
    background: linear-gradient(90deg, #c3c8cb 0%, #6e828c 100%);
}