html, body {
padding: 0;
margin: 0;
font-family: Arial, sans-serif;
}
/* hide horizontal scrollbars, since we use the vertical ones to scroll to the right */
body {
overflow-x: hidden;
background: url('../images/bg.jpg') repeat top left;
}
h1 {
font-size: 20px;
font-weight: normal;
color: #2e6e80;
}
/**
  * important: keep position fixed, you can however use top:0 instead of bottom:0
  * if you want to make it stick to the top of the browser
  */
.scroll {
position: fixed;
bottom: 0;
left: 0;
}
/**
  * z-index ordering of the different layers, do this for your layers,
  * also assign absolute width (to prevent issues if the script gets executed before the images get loaded)
  */
.horizon {
z-index: 1;
width: 3000px;
}
.middle {
z-index: 500;
width: 4000px;
}
.front {
z-index: 1000;
width: 6000px;
}