.popup {
    position:fixed;
    top:0; left:0;
    width:100%;
    height:100%;
    display:none;
    z-index:214748364789;
}

.fade {
    position:fixed;
    top:0; left:0;
    width:100%;
    height:100%;
}

.popupstuff {
    position:absolute;
    top:50%; left:50%;
    transform:translate(-50%,-50%);
    -webkit-transform:translate(-50%,-50%);
    -ms-transform:translate(-50%,-50%);
}

.shut {float:right; margin:-50px -50px 0 0; cursor:pointer;}