.infobox {
display:none;
text-decoration: none;
}
a:hover span.infobox{
font-family: Verdana, Arial, Helvetica, sans-serif;        
font-size: 12px;
color: black;
display: block;
position: absolute;
top: 100px;
left: 230px;
width: 135px;
height: 150px;
padding-left: 6px;
padding-right: 6px;
padding-top: 26px;
text-decoration:none;
background-image: url('../image/hintergrund.jpg');
background-repeat: no-repeat;
background-position: top center;
border: 10px solid rgb(217,211,175);
}