.baniere {
    background-image: url(/images/infirmiere-1.jpg);
    background-position: center;
    background-size: cover;
  }
.desc{
  background-color: aliceblue;
}
.descriptif {
  background-color: aliceblue;
  font-style: italic;
  font-size: 20px;
  margin-left: 30px;
  margin-right: 30px;
  margin-top: 0;
  
}

.numero {
  font-weight:bold;
  font-size: 15px;
}