.popup {
    /*width: 900px;*/
    margin: auto;
    text-align: center; cursor: pointer;
}

    .popup img {
        /*width: 200px;
    height: 200px;*/
        cursor: pointer;
    }

.show {
    z-index: 999;
    display: none;
    position: fixed;
    top: 0;
    width: 100%;
    height: 100vh;
}

    .show .overlay {
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,.66);
        position: absolute;
        top: 0;
        left: 0;
    }

    .show .img-show {
        width: 100%;
        max-width: 600px;
        /* height: 400px; */
        /* background: #FFF; */
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        overflow: hidden;
        padding: 25px;
    }

.img-show span {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 99;
    cursor: pointer;
}

.img-show img {
    width: 100%;
    height: 100%;
    position: relative;
    top: 0;
    left: 0;
}

.close-btn {
    width: 30px;
    height: 30px;
    background: rgb(144, 70, 171);
    border-radius: 50%;
}

    .close-btn:before, .close-btn:after {
        position: absolute;
        content: '';
        width: 80%;
        height: 2px;
        background: #fff;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%) rotate(45deg);
    }

    .close-btn:after {
        transform: translate(-50%,-50%) rotate(-45deg);
    }
/*End style*/