.mask {
    width: 100%;
    height: 100%;
    background-color: rgba(102,102,102,0.8);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    text-align: center;
    display: none;
}
.mask .img-close{
    width: 30px;
    height: 57px;
    display: block;
    position: absolute;
    right: 0;
    top:0;
    margin-top: -57px;
}
.mask .card-img{
    display: block;
    margin: 0 auto;
    vertical-align: middle;
}
 .d-img{
    width: 523px;
    position: relative;
    margin: 194px auto;
    background: #FFFFFF;
    border: 1px solid #979797;
}
.mask .d-img-renzheng{
    margin: 16px;
}