/* For custom user dialogs, not constructed using popupDialog.js */
div.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.5);
}

div.overlay-content {
    position: absolute;
    top: 25%;
    left: 25%;
    width: 50%;
    height: 50%;
    background-color: #fff;
    border: 1px solid #000;
    padding: 10px;
    overflow: auto;
}