.items {
overflow: hidden;
}
.item {
width: 100%;
overflow: hidden;
position: relative;
height: 130vh;
min-height: 100%;
}
.inner, .inner-lev1, .inner-lev2 {
width: 100%;
height: 100%;
position: absolute;
z-index: 1;    top: 0;
}
/* alterations for horizontal version */
.items-horizontal {
width: 5120px;
}
.items-horizontal .item {
width: 1024px;
float: left;
}
/* parallax images */
.item1 {
	background: white url(../images/bg1.jpg);
	background-size: cover;
	background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.inner1 {
	background: url(../images/bottle_1.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.item2 {
	background: white url(../images/bg2.jpg);
	background-size: cover;
	background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.inner2 {
	background: url(../images/bottle_2.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.item3 {
	background: white url(../images/bg1.jpg);
	background-size: cover;
	background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.inner3 {
	background: url(../images/bottle_1.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.item4 {
	background: white url(../images/bg2.jpg);
	background-size: cover;
	background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.inner4 {
	background: url(../images/bottle_2.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}