table.ui-datepicker-calendar {
    margin: 10px auto;
}
.ui-datepicker-calendar td {
    display: table-cell;
}
#ui-datepicker-div {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 0;
}
#ui-datepicker-div th {
    font-size: 10px;
    font-weight: 400;
    padding: 8px 10px;
    text-align: center;
}
#ui-datepicker-div td {
    min-width: 35px;
    padding: 6px 0 !important;
    text-align: center;
}
#ui-datepicker-div td a {
    border: medium none;
    color: #666;
    font-weight: 400;
    padding: 5px 5px;
    text-decoration: none;
}
#ui-datepicker-div thead {
    background: #ccc none repeat scroll 0 0;
    color: #fff;
}
#ui-datepicker-div tbody {
    background: #fff none repeat scroll 0 0;
    font-size: 13px;
}
.ui-datepicker-title {
    background: #ccc none repeat scroll 0 0;
    color: #000;
    font-size: 14px;
    padding: 6px;
    text-align: center;
}
.ui-datepicker-prev.ui-corner-all {
    color: #000;
    cursor: pointer;
    float: left;
    font-size: 14px;
    padding: 6px 12px;
    font-weight: 600;
}
.ui-datepicker-next.ui-corner-all {
    color: #000;
    cursor: pointer;
    float: right;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 12px;
}
.ui-datepicker-today {
    background: #fffae3 none repeat scroll 0 0;
}
#ui-datepicker-div {
	display: none;
}
.ui-state-active {
    color: blue !important;
    font-weight: bold;
}
.ui-state-disabled {
    opacity: 0.5;
}
td.ui-datepicker-current-day {
    background-color: greenyellow;
}
.ui-datepicker-calendar td.rosso {
	background-color: salmon;
}
.ui-datepicker-calendar td.verde {
	background-color: lightgreen;
}