#loading
{
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
    background: rgba(255,255,255,0.8);
    z-index: 1000;
}

#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;
    */
    position: fixed; /* or absolute */
    top: 53%;
    left: 49%;
}