a.popup {
position: relative;
}

a.popup span {
display: none;
position: relative;
}

a.popup:hover span {
position: absolute;
margin-left:162px; 
margin-top:0px; 
top: 2em;
left: 0;
width: 200px;
height:150px;
display: block;
text-align:right;
border: 1px solid #ccc;
background: #5f0;
background-image:url(../images/manager.jpg);
}

/* Don't expect to write standards code for IE. ;) */
a.popup:hover {
  font-size: 100%;
  position:relative;

}