.background_container{
  background-image: url('/static/assets/img/expensetron/header-bg.jpg');
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-position: center center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}