a.aff1 {   position: relative;
   color: white;
   text-decoration: none;
   border-bottom: 1px gray dotted; /* On souligne le texte. */}
a.aff1 span { display: none; }
a.aff1:hover {
   background: none;/*IE*/ z-index: 5000; 
   cursor: pointer;}
a.aff1:hover span {
   display: inline; position: absolute;
   white-space: nowrap; 
   top : -53px !important; top: +50px; left: -100px; background: black; color: white; padding: 1px; border: 0px solid green; border-left: 0px solid green;}