Edit in JSFiddle

<div id="infobulle">
  <img src="http://zupimages.net/up/16/50/qnkt.png" alt="Rick Sanchez"/>
  <div>
    Rick Sanchez<br />
    <a href="#">Profil</a> - <a href="#">MP</a>
  </div>
</div>

#infobulle{
  position:relative;
  width:100px;
  height:100px;
}
#infobulle div{
  position:absolute;
  top:0;
  left:0;
  height:100px;
  box-sizing:border-box;
  background-color:#ccc;
  padding:10px;
  font-family:calibri;
  opacity:0;
  transition:all 600ms;
}
#infobulle:hover div{
  opacity:1;
}