#popup{
position:absolute;
display:none;
top:50vh;
left:50%;
-webkit-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
max-width:900px;
height:auto;
max-height:90%;
background-color:white;
z-index:6000;
padding:30px;
border-radius:20px;
}

#popup img{
width:auto;
max-width:100%;
height:auto;
max-height:100%;
}

#popup p{
font-family:Verdana, Arial, Helvetica, sans-serif;
font-size:1.2em;
color:#222;
margin-bottom:1.5em;
padding:0;
text-align:center;
clear:both;
}

#overlay-back {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #000;
opacity: 0.6;
filter: alpha(opacity=60);
z-index: 5000;
display: none
}

.close-image{
display: block;
float:right;
position:relative;
top:-25px;
right: -25px;
height: 20px;
}