.progressbar {
    border: 1px solid #000;
    color: #000;
    display: block;
    left: 43%;
    padding: 20px;
    position: absolute;
    text-align: center;
    top:25%;
    background:#fff;
}

.windowbackground {
    background: url("overlay.png") repeat scroll 0 0 transparent;
    clear: both;
    color: Red;
    display: table-cell;
    font-size: 12px;
    font-weight: bold;
    height: 100%;
    left: 0;
    padding-top: 20%;
    position: fixed;
    text-align: center;
    top: 0;
    vertical-align: middle;
    width: 100%;
}