zoneminder/web/skins/classic/css/dark/views/watch.css

#dvrControls input[disabled] {
    color: #aaaaaa;
}

#dvrControls input.active {
    border: 1px solid blue;
}

#dvrControls input.inactive {
    border: 1px solid green;
}

#dvrControls input.unavail {
    border: 1px solid red;
}

span.alarm {
    color: #DC143C;
}

span.alert {
    color: #FF8C00;
}

#eventList tr.recent {
    background-color: #B0E0E6;
}

#eventList tr.highlight {
    background-color: #DCDCDC;
}