#hintbox{ /*CSS for pop up hint box */
position:absolute;
top: 0;
background-color: lightyellow;
width: 150px; /*Default width of hint.*/ 
padding: 3px;
border:1px solid #ccc;
font:normal 11px Verdana;
line-height:18px;
z-index:100;
border-right: 2px solid #ccc;
border-bottom: 2px solid #ccc;
visibility: hidden;
}

.hintanchor{ /*CSS for link that shows hint onmouseover*/
font-weight: bold;
color: navy;
margin: 3px 8px;
}


#ad_popup {
  position: absolute; 
  z-index: 1000; 
  visibility: visible; 
}