.cartel{display: block;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=40)";
    background-color:rgba(0, 0, 0, 0.4);
    filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=#7F000000,endcolorstr=#7F000000);
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index:999999;
}
.block{width: 534px;
    height:535px;
    background: url(../images/20161201img2.png) top center no-repeat;
    text-align: center;
    position: fixed;
    left: 50%;
    top: 50%;
    margin-left: -256px;
    margin-top: -270px;
    display: none;
    z-index: 99999
}
.close-btn{width:36px;height:36px;background:url(../images/20161201img1.png) no-repeat;display:block;position:absolute;top:-20px;right:50px;cursor:pointer}