#bibliotheque_accueil, #infirmerie_accueil, #lieudevie_accueil {
  background: url('../img/fond_cadre_400.png') bottom left;
  background-repeat: no-repeat;
  margin-left: 10px;
  margin-top: 10px;
  margin-left: 5px;
  padding: 5px;
  border-left: 1px solid gray;
  border-bottom: 1px solid gray;
  width: 370px;  
}

.cadre_categorie_infirmerie {
  background: url('../img/fond_cadre_400.png') bottom left;
  background-repeat: no-repeat;
  border-left: 1px solid gray;
  border-bottom: 1px solid gray;
  width: 400px;
  float: left;
  padding: 5px;
  margin: 5px;
}