html {
	box-sizing: border-box;
	background: url('https://source.unsplash.com/NFs6dRTBgaM/2000x2000') fixed;
	background-size: cover;
}

*, *:before, *:after {
	box-sizing: inherit;
}

body {
	min-height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: sans-serif;
	font-size: 20px;
	margin: 0;
}

.items {
	height: 800px;
	padding: 100px;
	width: 100%;
	border: 1px solid white;
	overflow-x: scroll;
	overflow-y: hidden;
	white-space: nowrap;
	user-select: none;
	cursor: pointer;
	transition: all 0.2s;
	transform: scale(0.98);
	will-change: transform;
	position: relative;
	background: rgba(255,255,255,0.1);
	font-size: 0;
	perspective: 500px;
}

.items.active {
	background: rgba(255,255,255,0.3);
	cursor: grabbing;
	cursor: -webkit-grabbing;
	transform: scale(1);
}

.item {
	width: 200px;
	height: calc(100% - 40px);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 80px;
	font-weight: 100;
	color: rgba(0,0,0,0.15);
	box-shadow: inset 0 0 0 10px rgba(0,0,0,0.15);
}

.item:nth-child(9n+1) { background: dodgerblue;}
.item:nth-child(9n+2) { background: goldenrod;}
.item:nth-child(9n+3) { background: paleturquoise;}
.item:nth-child(9n+4) { background: gold;}
.item:nth-child(9n+5) { background: cadetblue;}
.item:nth-child(9n+6) { background: tomato;}
.item:nth-child(9n+7) { background: lightcoral;}
.item:nth-child(9n+8) { background: darkslateblue;}
.item:nth-child(9n+9) { background: rebeccapurple;}

.item:nth-child(even) { transform: scaleX(1.31) rotateY(40deg); }
.item:nth-child(odd) { transform: scaleX(1.31) rotateY(-40deg); }