.gPopup{
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 77;
}

.gPopup .B_inner{
    position: relative;
    padding: 12px 10px;
    color: #272727;
}
.PopupOverlay {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.5;
    }
    .PopupOverlay.db{display: block}