.form_alert_text {
        color: red;}
    .ui-loader-background {
        width: 100%;
        height: 100%;
        top: 0;
        margin: 0;
        background: rgba(0, 0, 0, 0.3);
        display: none;
        position: fixed;
        z-index: 100;}
    .ui-loading .ui-loader-background {
        display: block;}
    .center {
        text-align:center;}
    #popupDialog-popup {
        width: 80%;
        left: 10%;
        right: 10%;
    }