#popBox {
position:fixed; 
z-index: 1000;
top:130px; 
left:25%;
padding: 15px;
padding-top: 0;
border: 3px dashed black;
background-color: white;
visibility: visible;
}

#popBox .headerbar{ 
color: gray;
padding: 5px 0 0 0;
text-align: right;
}

#popBox .headerbar a{ /*CSS for header bar links of interstitial box*/
font-size: 120%;
text-decoration: none;
}

#pop_optin {
margin-left: auto;
margin-right: auto;
margin-top: 5px;
background-color: white;
}