.body-overlay {
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 999;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.body-overlay div {
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -32px;
    margin-left: -32px;
}