.ui-datepicker {
    background: white;
    border: 1px solid #555;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.ui-datepicker table {
    width: 100%;
}
.ui-datepicker-header {
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
}
.ui-datepicker-title {
    margin: 0;
    padding: 10px;
    text-align: center;
}
.ui-datepicker-prev, .ui-datepicker-next {
    cursor: pointer;
    padding: 0.5em;
}
.ui-datepicker-calendar td {
    text-align: center;
    padding: 5px;
}
.ui-datepicker-calendar td a {
    display: block;
    padding: 5px;
    background: #eee;
    border-radius: 5px;
}
.ui-datepicker-calendar td a:hover {
    background: #ddd;
}