#pop {
    position: fixed;
    top: 0;
    left: 0;
    min-height: 100vh;
    min-width: 100vw;
    background-color: black;
    opacity: 0.7;
    display: none;
    z-index: 1000;
}

#pop_img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 90%;
    max-width: 90%;
    background-color: white;
    display: none;
    z-index: 1001;
}


.popup {
    position: relative;
}
.popup .popuptext {
    visibility: hidden;
    width: 160px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px 0;
    position: absolute;
    z-index: 1;
    bottom: 80%;
    left: 50%;
    margin-left: -80px;
}
.popup .popuptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #555 transparent transparent transparent;
}
.popup .show {
    visibility: visible;
    -webkit-animation: fadeIn 1s;
    animation: fadeIn 1s;
}
@-webkit-keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}
@keyframes fadeIn {
    from {opacity:
            0;}
    to {opacity:1 ;}
}