.bg-grocery-store {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background-image: url(../images/grocery-store.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-filter: contrast(70%) brightness(0.95);
  -moz-filter: contrast(70%) brightness(0.95);
  -o-filter: contrast(70%) brightness(0.95);
  -ms-filter: contrast(70%) brightness(0.95);
  filter: contrast(70%) brightness(0.95); }