#lightbox{
    display:none;
    position: absolute;
    top:50%;
    left:50%;
    z-index:9999;
    width:*300px;*
    height:*300px;*
    margin:-250px 0 0 -250px;
    background:#fff;
    text-align:center;
    vertical-align: 50%;
    border: 2px solid black; 
}

#lightbox.done #lbContent{
    display:block;
    width: *280px;*
    height: *280px;*
    border: 10px solid white;
}