.linkpreviewstyle{

position:absolute;
top: -500px;
left: 0;
padding: 5px;
visibility: hidden;
font-family: Verdana,sans-serif;
font-size: 12pt; 
font-weight: bold;
text-align: center;
line-height: 18px;
z-index: 100;
background-color: black;

}