.background_image_wrapper {
  background:
  linear-gradient(rgba(0,0,0,0.8),rgba(0,0,0,0.8)),
  url('../uploads/bgs/bg8.jpg') no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}