.win7-dialogs-port {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
}
.win7-dialogs-port > table {
    position: relative;
    width: 100%;
    height: 100%;
}
.win7-dialogs-port > table > tbody > tr > td {
    vertical-align: middle;
    padding: 12px;
}
.win7-dialogs-port > table > tbody > tr > td > .window > .window-body {
    min-height: 100px;
    overflow: scroll;
}