html, body {
margin:0pt;  
width: 100%;
height:100%;  
}

#custom_backgroundPopup{
margin: 0 auto;
display:none;
position: absolute;
height:100%;
width:100%;
top: 0;
left: 0;
z-index: 10000;
background:#f6f7ea;
}
#popupContact{
display:none;
position:fixed;
width:800px;
height:480px;
z-index:10005;
}
#popupContactClose{
right:5px;
top:-20px;
position:absolute;
display:block;
cursor: hand;
font-family:arial;
font-weight:bold;
font-size:16px;
color:#ff0000;
}
a.custom_closeBtn, a.custom_closeBtn:visited {
cursor: hand;
margin: 0;
padding: 0;
display: block;
width: 63px;
height: 25px;
background:url('https://images.ebizautos.com/sites/5686/images/close_btn.png') no-repeat top left;
}