.bloc_references {
    background: url(/Files/App_002/Images/bg_reference.jpg) no-repeat center;
    background-size: cover;
    min-height: 380px;
    padding-top: 50px;
    padding-bottom: 50px;
}
.references_images {
    margin: 0 auto;
    float: none;
}

@media (max-width: 1220px) {
  .bloc_references {min-height: auto;}
}

@media (max-width: 992px) {
  .bloc_references {padding-top: 30px;padding-bottom: 30px;}
}