.loading {
    display: none;
}

.overlay {
    display: none;
    position: fixed;
    opacity: 0.85;
    background-color: #c0c0c0;
    width: 100%; 
    height: 100%; 
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    text-align:center;
    vertical-align:middle;
    padding-top: 2em;
}

.ui-datepicker-trigger {
    margin-left: 0.5em;
}