.ui-datepicker th { background-color: #CCCCFF; border: solid #FFF;
    border-width: 1px 0 0 1px;}
.ui-datepicker td { border: 1px solid #CCC; }
.ui-datepicker td {
    border: 1px solid #CCC;
    padding: 0;
}
 
.ui-state-default,
.ui-widget-content .ui-state-default,
.ui-widget-header .ui-state-default {
    border: solid #FFF;
    border-width: 1px 0 0 1px;
    font-weight: bold;
}
 
.ui-datepicker-week-end, .ui-datepicker-week-end a.ui-state-default {color:grey;
font-weight: normal;
}