.outer {
position: absolute;
top: 50%;
left: 50%;
margin: -363px 0 0 -512px;
}
.overlay{
position:fixed;
left:0;
top:0;
width:100%;
height:100%;
background:#000000;
background:rgba(0,0,0,0.5);
display:none;
}

.overlay_img {
max-width: 100%;
max-height: 100%;
border: 3px solid #6ec8bf;
border-radius: 10px 10px 10px 10px;
box-shadow: 4px 4px 8px -1px #000000;
}
.overlay_besedilo {
position: absolute;
top: 0;
left: 27px;
width: 87%;
color: #333333;
}
.overlay_besedilo p{
font-size: 11pt;
}
.overlay_inner{
position:absolute;
left:50%;
top:50%;
margin: -199px 0 0 -314px;
}
.div_close{
background:url('close_window.png') no-repeat center transparent;
width:50px;
height:50px;
position:absolute;
top:-25px;
right:-25px;
cursor:pointer;
}