.page_banner.references {
    background: url(/Files/App_002/Images/banner_references.jpg) no-repeat center top;
    background-size: cover;
}
.references_image {
    border: 3px solid #efefef;
    margin-bottom: 30px;
}
.references_image:hover {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    -ms-box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    -o-box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
}
.references_image img  {margin: 0 auto;}