#arborescence_bureau{
  margin-top:-20px;
  height:80px;
  background-color:grey;
  position:absolute;
}

#bureau_precedent{
  width:30px;
  height:30px;
  float:left;
  background-image:URL(../../image/bureau/precedent.png);*
  cursor:pointer;
}

#bureau_niveau{
  font-size:11px;
  width:99%;
  background-color:white;
  padding-top:3px;
  height:17px;
  margin-top:5px;
}

.repertoire{
  float:left;
  margin-top:30px;
  cursor:pointer;
  border-style:solid;
  border-color:white;
  border-width:1px;
  border-radius:2px;
}

.repertoire_hover{
  cursor:pointer;
  float:left;
  margin-top:30px;
  background-color:#b1c2d3;
  border-style:solid;
  border-color:#5f6f7d;
  border-width:1px;
  border-radius:2px;
}