.link_bulle {
cursor: default;
color: gray;
}

.infos_bulle {
z-index: 500;
position: absolute;
top: -999px;
visibility: hidden;
font: normal 10px Verdana, Arial;
color: black;
padding: 8px;
border: 1px solid #ccc;
background-color: #FFFF99;
opacity: 0.9;
-moz-opacity: 0.9;
filter: alpha(opacity=90); 
}