.bandeau_partenaires {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  margin-bottom: 3rem;
  justify-content: center;
  align-items: center;
  align-content: space-around;
  img {
    height: 4rem;
    width: auto;
    margin-right: 2rem;
  }
}

@media only screen and (max-width: 400px) {
  .bandeau_partenaires {
    align-self: center;
    justify-content: center;
    margin: 1rem;
    img {
      height: 3rem;
      margin-right: 1rem;
      margin-bottom: 1rem;
    }
  }
}