body {

    background-image: url(images/back.gif);

    background-size: cover;

    background-attachment: fixed;

    width: auto;

    background-color: darkslategrey;

}

.overlay {

    position:fixed;

    top:0;

    left:0;

    right:0;

    bottom:0;

    background-image: url(images/overlay.gif);

    background-size: cover;

    opacity: 0.5;

    pointer-events: none;

    z-index:9999;

}

.artDiv {

    height: 700px;

	width: 1400px;

    margin-left: auto;

    margin-right: auto;

}



img {

    position: absolute;

}

.part1 {

	top: 20vh;

    z-index: 50;

}

.part2 {

	top: 70vh;

    z-index: 40;

}

.part3 {

	top: 120vh;

    z-index: 30;

}

.part4 {

	top: 170vh;

}

.part5 {

	top: 220vh;

}



#audio {

	display: none;

}