.popup{
    display:none;
    position:fixed;
    z-index:9999;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.9);
    text-align:center;
}

.popup-content{
    margin-top:5%;
    max-width:80%;
    max-height:80%;
    border-radius:10px;
}

.close{
    position:absolute;
    top:20px;
    right:35px;
    font-size:40px;
    color:white;
    cursor:pointer;
}

.popup-img{
    cursor:pointer;
    transition:0.3s;
}

.popup-img:hover{
    transform:scale(1.05);
}