.black_overlay{
display: none;
position: absolute;
top: 0%;
left: 0%;
width: 100%;
height: 100%;
background-color: black;
z-index:1001;
-moz-opacity: 0.8;
opacity:.80;
filter: alpha(opacity=80);
}
.white_content {
display: none;
position: absolute;
top: 242px;
left: 388px;
width: 385px;
height: 209px;
padding: 16px;
border: 1px solid orange;
background-color:white; 
z-index:1002;
overflow: auto;
}