.onair,
.onair .fc-event-time,
.onair a {
    background-color: green;
    border-color: green;
    color: yellow;
    }
.onair .fc-event-content {
    background-color: lime;
    border-color: lime;
    color: black;
}
.onair .fc-event-inner, .onair .fc-event-inner .fc-event-bg {
    background-color: lime;
}