#box-1 {
  height: 100vh;
  width: 100%;
  background-image: url(i1.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
}

#box-2 {
  height: 100vh;
  width: 100%;
  background-image: url(i2.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
}

#box-3 {
  height: 100vh;
  width: 100%;
  background-image: url(i3.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
}

h1 {
  font-family: arial black;
  font-size: 50px;
  color: white;
  margin: 0px;
  text-align: center;
  display: table-cell;
  vertical-align: middle;
}

.parallax__layer__0 {
  -webkit-transform: translateZ(-300px) scale(4);
  transform: translateZ(-300px) scale(4);
}

.parallax__layer__1 {
  -webkit-transform: translateZ(-250px) scale(3.5);
  transform: translateZ(-250px) scale(3.5);
}

.parallax__layer__2 {
  -webkit-transform: translateZ(-200px) scale(3);
  transform: translateZ(-200px) scale(3);
}

.parallax__layer__3 {
  -webkit-transform: translateZ(-150px) scale(2.5);
  transform: translateZ(-150px) scale(2.5);
}

.parallax__layer__4 {
  -webkit-transform: translateZ(-100px) scale(2);
  transform: translateZ(-100px) scale(2);
}

.parallax__layer__5 {
  -webkit-transform: translateZ(-50px) scale(1.5);
  transform: translateZ(-50px) scale(1.5);
}