.lightbox_content {
display: none;
width: 800px;
height: 320px;
background-color: white;
position:fixed;
left:50%; top:50%;
margin: -160px 0 0 -400px;
max-width:100%;
max-height:100%;
overflow:hidden;
padding: 10px;
border: 5px solid black;
background-color: white;
z-index:9999999;
border-radius: 20px;
-moz-border-radius: 20px;
-webkit-border-radius: 20px;
-o-border-radius: 20px;
}
.main_dark_overlay{
display: none;
position: absolute;
top: 0%;
left: 0%;
width: 100%;
height: 100%;
background-color: black;
z-index:9999990;
-moz-opacity: 0.6;
opacity:.60;
filter: alpha(opacity=60);
}