.index_banniere{

  display: flex;
  justify-content: center;  /* centre horizontalement */
  align-items: center;      /* centre verticalement */
    background-color: #d9e1bd
  }


.index_banniere img{
 height: 10rem;
  max-width: auto;
  margin: 0px;
  padding: 0 !important;
  margin-top: 0px

  justify-content: center;  /* centre horizontalement */
  align-items: center;      /* centre verticalement */
}