.gcal-sunday .ui-state-default {
    background-color: #f99;
    background-image: none;
}
.gcal-saturday .ui-state-default {
    background-color: #6cf;
    background-image: none;
}
/*
.ui-widget-content .gcal-holiday {
    background-color: #f9f;
    background-image: none;
}
*/
.ui-widget-content .gcal-holiday {
    background-image: none;
    color: #333 !important;
}