.ui-widget-header {
    background-color: transparent;
}

.ui-datepicker {
    position: absolute !important;
    top: 100%;
    left: 0;
    z-index: 9999 !important;
    width: 12% !important;
    margin-top: 10px;
}

.ui-datepicker-month {
    padding: 0.5em 0.3em;
    border-radius: 0.25em;
    border: 1px solid #ccc;
    background-color: #fff;
    color: #333;
    font-size: 1em;
}

.ui-datepicker-year {
    width: 6em;
    padding: 0.5em 0.1em;
    border-radius: 0.25em;
    border: 1px solid #ccc;
    background-color: #fff;
    color: #333;
    font-size: 1em;
}