body {
  width: 100%;
  background: black;
  overflow: hidden;
}
div {
    box-sizing: border-box;
    display: block;
}
.above-fold {
	position: relative;
	height: 100vh;
	overflow: hidden;
  width: 100%;
}
.hero-section {	
	z-index: -1;
}
.hero-section img {
  position: absolute;
  opacity: 0.30;
  margin: auto;
  width: 100%;
  top: -25%; 
  right: -25%; 
  bottom: -25%; 
  left: -25%;
}

#parallax {
  position: relative;
  width: 100%;
  height: 100vh;
  background-image: url(3.png), url(2.png), url(1.png), url(0.png);
  background-repeat: no-repeat;
  background-position: center;
  background-position: 50% 50%;
}
h1 {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-family: "Arial";
  text-transform: uppercase;
  opacity: .9;
  font-size: 70px;
}