.ui-datepicker {
    /*
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    */
    width: auto !important;
    height: auto !important;
    z-index: -1;
    padding: 10px;
    /*padding-top: 50px;*/
    background: white;
    border: none;
    /*
    transition: transform 0.3s ease, z-index 0 0.3s;
    -webkit-transition: -webkit-transform 0.3s ease, z-index 0 0.3s;
    transform: translateY(100%) translateZ(0);
    -webkit-transform: translateY(100%) translateZ(0);
    */
}

.ui-datepicker.is-open {
    z-index: 100;
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
    transform: translateY(0) translateZ(0);
    -webkit-transform: translateY(0) translateZ(0);
}

/*
.ui-datepicker::before {
    content: 'Choose a date';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    line-height: 50px;
    background: #111;
    text-align: center;
    color: #fff;
    font-weight: bold;
    -webkit-font-smoothing: antialiased;
}
*/

.ui-datepicker-header {
    line-height: 40px;
}

.ui-datepicker-prev, .ui-datepicker-next {
    margin-top: 7px;
}

.ui-datepicker-buttonpane {
    display: block;
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
}

.ui-datepicker-buttonpane button {
    height: 30px;
    padding: 0 8px;
    border-radius: 3px;
    border: 1px solid #000;
    background: #444;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    -webkit-font-smoothing: antialiased;
}

.ui-datepicker-current {
    float: right;
}

.ui-datepicker-close {
    float: left;
}