#loading {
        display: none;
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: rgba(255,255,255,0.8);
        z-index: 9999;
    }

 #loadingcontent {
        display: table;
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
    }

#loadingspinner {
        display: table-cell;
        vertical-align: middle;
        width: 100%;
        text-align: center;
        font-size: larger;
        padding-top: 80px;
    }