.rich-box {
  padding: 30px; 
  min-height: 150px; 
  display: block; 
  /* The linear-gradient creates the dark overlay on top of the image */
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url(/shared/images/content/bus_58392/labrador-calm.jpg?nocache=555);
  background-repeat: no-repeat;
  background-position: center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
border-radius: 5px;
}