div.loadingoverlay {
    background-color: Black;
    text-align: center;
    vertical-align: middle;
    filter:alpha(opacity=60);
    opacity: 0.6;
}

div.loadingoverlay > div.loadingicon {
    display: block;
    width: 32px;
    height: 32px;
    /*top: 0px;
    left: 0px;*/
    background: url('images/loading.gif');
}