.dialog-background {
    background:  url("../../images/cb/opacity-windows.png") repeat left top;
    overflow: auto;
    position: fixed;
    z-index: 100;
    left: 0px;
    right: 0px;
    height: 100%;
    bottom: 0px;
}
.dialog-background-table {
    cursor: default;
    z-index: 101;
    height: 100%;
    width: 100%;
    display: table;
}
.dialog-body {
    z-index: 110;
    display: table-cell;
    vertical-align: middle;
}