.head-fade:before,
.head-fade:after {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  content: '';
  background: linear-gradient(0deg, rgba(100, 135, 87, 0.50) 0%, rgba(202, 201, 194, 0.5) 100%);
  opacity: .8;
  z-index: -1;
}

.head-fade:before {
  transform: skew(50deg) translateX(-60%);
}

.head-fade:after {
  transform: skew(-40deg) translateX(-80%);
}

background-size: cover;
    background-attachment: fixed;