/*=========================
    XEM ẢNH LỚN
=========================*/
.image-viewer{
    display:none;
    position:fixed;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.9);
    justify-content:center;
    align-items:center;
    z-index:9999;
}

.image-viewer img{
    max-width:90%;
    max-height:90%;
    border-radius:10px;
    box-shadow:0 0 20px rgba(255,255,255,.25);
}

#closeViewer{
    position:absolute;
    top:20px;
    right:35px;
    color:white;
    font-size:45px;
    cursor:pointer;
    user-select:none;
}