#wpwrap.open #wpbody,.ocdi.ocdi--install-plugins{
    opacity: .2;
    pointer-events: none;
}

#wpwrap.open .tx-notice{
    display: block;
}

.tx-notice{
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    z-index: 3;
    padding: 50px;
    display: none;
}
.tx-close{
    position: absolute;
    top: 15px;
    right: 18px;
    display: inline-flex;
    width: 30px;
    height: 30px;
    border: 1px solid #666;
    border-radius: 50px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}