.link_bulle {
   cursor: help;
   color: #9932CC;
   border-bottom: 1px dotted #9400D3;
}

.infos_bulle {
   z-index: 500;
   position: absolute;
   top: -999px;
   visibility: hidden;
   font: normal 12px Verdana, Arial;
   color: black;
   padding: 8px;
   border: 1px solid #A20000;
   background-color: #ECC1FB;
}